diff --git a/packages/builder/.env.example b/packages/builder/.env.example
index 9df98fd3b4..9201cca5d9 100644
--- a/packages/builder/.env.example
+++ b/packages/builder/.env.example
@@ -44,6 +44,7 @@ REACT_APP_SUBGRAPH_PGN_API="https://graph-gitcoin-mainnet.hirenodes.io/subgraphs
 REACT_APP_SUBGRAPH_PGN_TESTNET_API="https://graph-gitcoin-testnet.hirenodes.io/subgraphs/name/gitcoin/allo"
 REACT_APP_SUBGRAPH_POLYGON_API="https://api.thegraph.com/subgraphs/name/allo-protocol/grants-round-polygon"
 REACT_APP_SUBGRAPH_POLYGON_MUMBAI_API="https://api.thegraph.com/subgraphs/name/allo-protocol/grants-round-mumbai"
+REACT_APP_SUBGRAPH_SEPOLIA_API="https://api.thegraph.com/subgraphs/name/bhargavaparoksham/grants-round-sepolia-testnet"
 
 # Variables below are optional for local development
 REACT_APP_DATADOG_APPLICATION_ID=
diff --git a/packages/builder/src/contracts/deployments.ts b/packages/builder/src/contracts/deployments.ts
index 5eebc70e46..a065aa73b9 100644
--- a/packages/builder/src/contracts/deployments.ts
+++ b/packages/builder/src/contracts/deployments.ts
@@ -6,6 +6,7 @@ export const chains = {
   250: "fantom",
   424: "pgn",
   4002: "fantomTestnet",
+  11155111: "sepolia",
   31337: "localhost",
   313371: "dev1",
   313372: "dev2",
diff --git a/packages/builder/src/utils/chains.ts b/packages/builder/src/utils/chains.ts
index 8ac5d0418e..d5a07fa1d3 100644
--- a/packages/builder/src/utils/chains.ts
+++ b/packages/builder/src/utils/chains.ts
@@ -1,5 +1,5 @@
 import { Chain } from "@rainbow-me/rainbowkit";
-import { arbitrum, arbitrumGoerli } from "wagmi/chains";
+import { arbitrum, arbitrumGoerli, sepolia } from "wagmi/chains";
 import { alchemyProvider } from "wagmi/providers/alchemy";
 import { infuraProvider } from "wagmi/providers/infura";
 import { publicProvider } from "wagmi/providers/public";
@@ -23,6 +23,7 @@ const availableChains: { [key: string]: Chain } = {
   dev1: devChain1,
   dev2: devChain2,
   mainnet: customMainnet,
+  sepolia,
   fantom,
   optimism: customOptimism,
   pgn,
@@ -43,6 +44,7 @@ const stagingChains = [
   fantomTestnet,
   fantom,
   customMainnet,
+  sepolia,
   pgnTestnet,
   pgn,
   arbitrum,
diff --git a/packages/builder/src/utils/wallet.ts b/packages/builder/src/utils/wallet.ts
index 1b57f959fc..534267e282 100644
--- a/packages/builder/src/utils/wallet.ts
+++ b/packages/builder/src/utils/wallet.ts
@@ -32,6 +32,7 @@ export const networkPrettyNames: { [key in ChainName]: string } = {
   dev1: "Development 1",
   dev2: "Development 2",
   mainnet: "Mainnet",
+  sepolia: "Sepolia",
   fantomTestnet: "Fantom Testnet",
   fantom: "Fantom",
   optimism: "Optimism",
@@ -50,6 +51,7 @@ export const networkIcon: { [key in ChainName]: string } = {
   dev1: EthDiamondGlyph,
   dev2: EthDiamondGlyph,
   mainnet: EthDiamondGlyph,
+  sepolia: EthDiamondGlyph,
   fantomTestnet: FTMTestnet,
   fantom: FantomFTMLogo,
   optimism: OPIcon,
@@ -68,6 +70,7 @@ export const payoutIcon: { [key in ChainName]: string } = {
   dev1: WhiteEthIconFilledCircle,
   dev2: WhiteEthIconFilledCircle,
   mainnet: WhiteEthIconFilledCircle,
+  sepolia: WhiteEthIconFilledCircle,
   fantomTestnet: FTMTestnet,
   fantom: FantomFTMLogo,
   optimism: OPIcon,
diff --git a/packages/common/src/chains.ts b/packages/common/src/chains.ts
index 3da5559f9a..80d53c8ecb 100644
--- a/packages/common/src/chains.ts
+++ b/packages/common/src/chains.ts
@@ -37,6 +37,7 @@ export const fantomTestnet: Chain = {
 
 export enum ChainId {
   MAINNET = 1,
+  SEPOLIA = 11155111,
   OPTIMISM_MAINNET_CHAIN_ID = 10,
   FANTOM_MAINNET_CHAIN_ID = 250,
   FANTOM_TESTNET_CHAIN_ID = 4002,
diff --git a/packages/common/src/index.ts b/packages/common/src/index.ts
index 0f40f4f264..df629804ff 100644
--- a/packages/common/src/index.ts
+++ b/packages/common/src/index.ts
@@ -103,6 +103,7 @@ export const graphQlEndpoints: Record<ChainId, string> = {
   [ChainId.PGN]: process.env.REACT_APP_SUBGRAPH_PGN_API!,
   [ChainId.PGN_TESTNET]: process.env.REACT_APP_SUBGRAPH_PGN_TESTNET_API!,
   [ChainId.MAINNET]: process.env.REACT_APP_SUBGRAPH_MAINNET_API!,
+  [ChainId.SEPOLIA]: process.env.REACT_APP_SUBGRAPH_SEPOLIA_API!,
   [ChainId.OPTIMISM_MAINNET_CHAIN_ID]:
     process.env.REACT_APP_SUBGRAPH_OPTIMISM_MAINNET_API!,
   [ChainId.FANTOM_MAINNET_CHAIN_ID]:
diff --git a/packages/grant-explorer/.env.example b/packages/grant-explorer/.env.example
index 1e331ca1ba..2b3a13f6e8 100644
--- a/packages/grant-explorer/.env.example
+++ b/packages/grant-explorer/.env.example
@@ -41,6 +41,7 @@ REACT_APP_SUBGRAPH_PGN_API="https://graph-gitcoin-mainnet.hirenodes.io/subgraphs
 REACT_APP_SUBGRAPH_PGN_TESTNET_API="https://graph-gitcoin-testnet.hirenodes.io/subgraphs/name/gitcoin/allo"
 REACT_APP_SUBGRAPH_POLYGON_API="https://api.thegraph.com/subgraphs/name/allo-protocol/grants-round-polygon"
 REACT_APP_SUBGRAPH_POLYGON_MUMBAI_API="https://api.thegraph.com/subgraphs/name/allo-protocol/grants-round-mumbai"
+REACT_APP_SUBGRAPH_SEPOLIA_API="https://api.thegraph.com/subgraphs/name/bhargavaparoksham/grants-round-sepolia-testnet"
 
 # Variables below are optional for local development
 REACT_APP_DATADOG_APPLICATION_ID=
diff --git a/packages/grant-explorer/src/app/chainConfig.ts b/packages/grant-explorer/src/app/chainConfig.ts
index ffd2b8db2a..976ed41ddc 100644
--- a/packages/grant-explorer/src/app/chainConfig.ts
+++ b/packages/grant-explorer/src/app/chainConfig.ts
@@ -4,6 +4,7 @@ import {
   Chain,
   fantom,
   fantomTestnet,
+  sepolia,
   mainnet,
   optimism,
   polygon,
@@ -15,6 +16,7 @@ import { pgnTestnet, pgn } from "common/src/chains";
 const testnetChains = () => {
   return [
     { ...fantomTestnet, iconUrl: "/logos/fantom-logo.svg" },
+    sepolia,
     pgnTestnet,
     arbitrumGoerli,
     avalancheFuji,
diff --git a/packages/grant-explorer/src/features/api/utils.ts b/packages/grant-explorer/src/features/api/utils.ts
index 187eb1943b..aa80663b68 100644
--- a/packages/grant-explorer/src/features/api/utils.ts
+++ b/packages/grant-explorer/src/features/api/utils.ts
@@ -49,6 +49,11 @@ export const CHAINS: Record<
     name: "Mainnet",
     logo: "./logos/ethereum-eth-logo.svg",
   },
+  [ChainId.SEPOLIA]: {
+    id: ChainId.SEPOLIA,
+    name: "Sepolia",
+    logo: "./logos/ethereum-eth-logo.svg",
+  },
   [ChainId.OPTIMISM_MAINNET_CHAIN_ID]: {
     id: ChainId.OPTIMISM_MAINNET_CHAIN_ID,
     name: "Optimism",
@@ -139,6 +144,19 @@ export const MAINNET_TOKENS: VotingToken[] = [
   },
 ];
 
+export const SEPOLIA_TOKENS: VotingToken[] = [
+  {
+    name: "ETH",
+    chainId: ChainId.SEPOLIA,
+    address: zeroAddress,
+    decimal: 18,
+    logo: TokenNamesAndLogos["ETH"],
+    redstoneTokenId: RedstoneTokenIds["ETH"],
+    defaultForVoting: true,
+    canVote: true,
+  },
+];
+
 export const OPTIMISM_MAINNET_TOKENS: VotingToken[] = [
   {
     name: "DAI",
@@ -451,6 +469,7 @@ export const votingTokensMap: VotingTokensMap = {
   [ChainId.DEV1]: MAINNET_TOKENS,
   [ChainId.DEV2]: MAINNET_TOKENS,
   [ChainId.MAINNET]: MAINNET_TOKENS,
+  [ChainId.SEPOLIA]: SEPOLIA_TOKENS,
   [ChainId.OPTIMISM_MAINNET_CHAIN_ID]: OPTIMISM_MAINNET_TOKENS,
   [ChainId.FANTOM_MAINNET_CHAIN_ID]: FANTOM_MAINNET_TOKENS,
   [ChainId.FANTOM_TESTNET_CHAIN_ID]: FANTOM_TESTNET_TOKENS,
@@ -481,6 +500,7 @@ export const txExplorerLinks: Record<ChainId, string> = {
   [ChainId.DEV1]: "",
   [ChainId.DEV2]: "",
   [ChainId.MAINNET]: "https://etherscan.io/tx/",
+  [ChainId.SEPOLIA]: "https://sepolia.etherscan.io/tx/",
   [ChainId.OPTIMISM_MAINNET_CHAIN_ID]: "https://optimistic.etherscan.io/tx/",
   [ChainId.FANTOM_MAINNET_CHAIN_ID]: "https://ftmscan.com/tx/",
   [ChainId.FANTOM_TESTNET_CHAIN_ID]: "ttps://testnet.ftmscan.com/tx/",
diff --git a/packages/round-manager/.env.example b/packages/round-manager/.env.example
index be5529cdd4..fba7095932 100644
--- a/packages/round-manager/.env.example
+++ b/packages/round-manager/.env.example
@@ -49,6 +49,7 @@ REACT_APP_SUBGRAPH_PGN_API="https://graph-gitcoin-mainnet.hirenodes.io/subgraphs
 REACT_APP_SUBGRAPH_PGN_TESTNET_API="https://graph-gitcoin-testnet.hirenodes.io/subgraphs/name/gitcoin/allo"
 REACT_APP_SUBGRAPH_POLYGON_API="https://api.thegraph.com/subgraphs/name/allo-protocol/grants-round-polygon"
 REACT_APP_SUBGRAPH_POLYGON_MUMBAI_API="https://api.thegraph.com/subgraphs/name/allo-protocol/grants-round-mumbai"
+REACT_APP_SUBGRAPH_SEPOLIA_API="https://api.thegraph.com/subgraphs/name/bhargavaparoksham/grants-round-sepolia-testnet"
 
 # Variables below are optional for local development
 REACT_APP_DATADOG_APPLICATION_ID=
diff --git a/packages/round-manager/src/app/wagmi.ts b/packages/round-manager/src/app/wagmi.ts
index e12e711a80..2befe9e12e 100644
--- a/packages/round-manager/src/app/wagmi.ts
+++ b/packages/round-manager/src/app/wagmi.ts
@@ -12,6 +12,7 @@ import {
   fantom,
   fantomTestnet,
   mainnet,
+  sepolia,
   optimism,
   Chain,
   arbitrum,
@@ -30,6 +31,7 @@ import { alchemyProvider } from "wagmi/providers/alchemy";
 const testnetChains = () => {
   return [
     { ...fantomTestnet, iconUrl: "/logos/fantom-logo.svg" },
+    sepolia,
     pgnTestnet,
     arbitrumGoerli,
     polygonMumbai,
diff --git a/packages/round-manager/src/features/api/contracts.ts b/packages/round-manager/src/features/api/contracts.ts
index ddf2bd5840..a430b578cf 100644
--- a/packages/round-manager/src/features/api/contracts.ts
+++ b/packages/round-manager/src/features/api/contracts.ts
@@ -16,6 +16,7 @@ const projectRegistryMap: ChainIdToStringMap = {
   [ChainId.DEV1]: "0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0",
   [ChainId.DEV2]: "0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0",
   [ChainId.MAINNET]: "0x03506eD3f57892C85DB20C36846e9c808aFe9ef4",
+  [ChainId.SEPOLIA]: "0x2420EABfA2C0e6f77E435B0B7615c848bF4963AF",
   [ChainId.OPTIMISM_MAINNET_CHAIN_ID]:
     "0x8e1bD5Da87C14dd8e08F7ecc2aBf9D1d558ea174",
   [ChainId.FANTOM_MAINNET_CHAIN_ID]:
@@ -52,6 +53,7 @@ const programFactoryMap: ChainIdToStringMap = {
   [ChainId.DEV1]: "0xDc64a140Aa3E981100a9becA4E685f962f0cF6C9",
   [ChainId.DEV2]: "0xDc64a140Aa3E981100a9becA4E685f962f0cF6C9",
   [ChainId.MAINNET]: "0x56296242CA408bA36393f3981879fF9692F193cC",
+  [ChainId.SEPOLIA]: "0x79Ba35cb31620db1b5b101A9A13A1b0A82B5BC9e",
   [ChainId.OPTIMISM_MAINNET_CHAIN_ID]:
     "0xd5Fb00093Ebd30011d932cB69bb6313c550aB05f",
   [ChainId.FANTOM_MAINNET_CHAIN_ID]:
@@ -82,6 +84,7 @@ const roundFactoryMap: ChainIdToStringMap = {
   [ChainId.DEV1]: "0xa85233C63b9Ee964Add6F2cffe00Fd84eb32338f",
   [ChainId.DEV2]: "0xa85233C63b9Ee964Add6F2cffe00Fd84eb32338f",
   [ChainId.MAINNET]: "0x9Cb7f434aD3250d1656854A9eC7A71EceC6eE1EF",
+  [ChainId.SEPOLIA]: "0xF1d4F5f21746bCD75fD71eB18992443f4F0edb6f",
   [ChainId.OPTIMISM_MAINNET_CHAIN_ID]:
     "0x04E753cFB8c8D1D7f776f7d7A033740961b6AEC2",
   [ChainId.FANTOM_MAINNET_CHAIN_ID]:
@@ -119,6 +122,7 @@ const qfVotingStrategyFactoryMap: ChainIdToStringMap = {
   [ChainId.DEV1]: "0xB7f8BC63BbcaD18155201308C8f3540b07f84F5e",
   [ChainId.DEV2]: "0xB7f8BC63BbcaD18155201308C8f3540b07f84F5e",
   [ChainId.MAINNET]: "0x4a850F463D1C4842937c5Bc9540dBc803D744c9F",
+  [ChainId.SEPOLIA]: "0xf5D111B57de221774866AC32c4435841F5c141D5",
   [ChainId.OPTIMISM_MAINNET_CHAIN_ID]:
     "0x838C5e10dcc1e54d62761d994722367BA167AC22",
   [ChainId.FANTOM_MAINNET_CHAIN_ID]:
@@ -162,6 +166,10 @@ export const dgVotingStrategyDummyContract = (chainId: ChainId): string => {
       address = "0xDF9BF58Aa1A1B73F0e214d79C652a7dd37a6074e";
       break;
     }
+    case ChainId.SEPOLIA: {
+      address = "0xB9dDcd73278C7f472867bf3D844E2Cc53a3d3D90";
+      break;
+    }
     case ChainId.OPTIMISM_MAINNET_CHAIN_ID: {
       address = "0xB9fd0d433d2ca03D26A182Dc709bA1EccA3B00cC";
       break;
@@ -222,6 +230,7 @@ const merklePayoutStrategyFactoryMap: ChainIdToStringMap = {
   [ChainId.DEV1]: "0x0B306BF915C4d645ff596e518fAf3F9669b97016",
   [ChainId.DEV2]: "0x0B306BF915C4d645ff596e518fAf3F9669b97016",
   [ChainId.MAINNET]: "0x8F8d78f119Aa722453d33d6881f4D400D67D054F",
+  [ChainId.SEPOLIA]: "0xB5CF3fFD3BDfC6A124aa9dD96fE14118Ed8083e5",
   [ChainId.OPTIMISM_MAINNET_CHAIN_ID]:
     "0xB5365543cdDa2C795AD104F4cB784EF3DB1CD383",
   [ChainId.FANTOM_MAINNET_CHAIN_ID]:
@@ -257,6 +266,7 @@ const alloSettingsContractMap: ChainIdToStringMap = {
   [ChainId.DEV1]: "0x59b670e9fA9D0A427751Af201D676719a970857b",
   [ChainId.DEV2]: "0x59b670e9fA9D0A427751Af201D676719a970857b",
   [ChainId.MAINNET]: "",
+  [ChainId.SEPOLIA]: "",
   [ChainId.OPTIMISM_MAINNET_CHAIN_ID]: "",
   [ChainId.FANTOM_MAINNET_CHAIN_ID]: "",
   [ChainId.FANTOM_TESTNET_CHAIN_ID]: "",
@@ -287,6 +297,7 @@ const directPayoutStrategyFactoryContractMap: ChainIdToStringMap = {
   [ChainId.DEV1]: "TODO",
   [ChainId.DEV2]: "TODO",
   [ChainId.MAINNET]: "0xd07D54b0231088Ca9BF7DA6291c911B885cBC140",
+  [ChainId.SEPOLIA]: "0xC2B0d8dAdB88100d8509534BB8B5778d1901037d",
   [ChainId.OPTIMISM_MAINNET_CHAIN_ID]:
     "0x2Bb670C3ffC763b691062d671b386E51Cf1840f0",
   [ChainId.FANTOM_MAINNET_CHAIN_ID]:
diff --git a/packages/round-manager/src/features/api/utils.ts b/packages/round-manager/src/features/api/utils.ts
index d181794ec7..5f767bb24b 100644
--- a/packages/round-manager/src/features/api/utils.ts
+++ b/packages/round-manager/src/features/api/utils.ts
@@ -26,6 +26,11 @@ export const CHAINS: Record<ChainId, Program["chain"]> = {
     name: "Mainnet", // TODO get canonical network names
     logo: "/logos/ethereum-eth-logo.svg",
   },
+  [ChainId.SEPOLIA]: {
+    id: ChainId.SEPOLIA,
+    name: "Sepolia",
+    logo: "/logos/ethereum-eth-logo.svg",
+  },
   [ChainId.OPTIMISM_MAINNET_CHAIN_ID]: {
     id: ChainId.OPTIMISM_MAINNET_CHAIN_ID,
     name: "Optimism",
@@ -141,6 +146,17 @@ const MAINNET_TOKENS: PayoutToken[] = [
   },
 ];
 
+const SEPOLIA_TOKENS: PayoutToken[] = [
+  {
+    name: "ETH",
+    chainId: ChainId.SEPOLIA,
+    address: ethers.constants.AddressZero,
+    decimal: 18,
+    logo: TokenNamesAndLogos["ETH"],
+    redstoneTokenId: RedstoneTokenIds["ETH"],
+  },
+];
+
 const OPTIMISM_MAINNET_TOKENS: PayoutToken[] = [
   {
     name: "DAI",
@@ -382,6 +398,7 @@ const POLYGON_MUMBAI_TOKENS: PayoutToken[] = [
 
 export const payoutTokens = [
   ...MAINNET_TOKENS,
+  ...SEPOLIA_TOKENS,
   ...OPTIMISM_MAINNET_TOKENS,
   ...FANTOM_MAINNET_TOKENS,
   ...FANTOM_TESTNET_TOKENS,
@@ -425,6 +442,17 @@ export const getPayoutTokenOptions = (chainId: ChainId): PayoutToken[] => {
         },
       ];
     }
+    case ChainId.SEPOLIA: {
+      return [
+        {
+          name: "ETH",
+          chainId: ChainId.SEPOLIA,
+          address: ethers.constants.AddressZero,
+          logo: TokenNamesAndLogos["ETH"],
+          decimal: 18,
+        },
+      ];
+    }
     case ChainId.OPTIMISM_MAINNET_CHAIN_ID: {
       return [
         {