diff --git a/CHANGELOG-nightly.md b/CHANGELOG-nightly.md
index 1e1911849..efddeeb29 100644
--- a/CHANGELOG-nightly.md
+++ b/CHANGELOG-nightly.md
@@ -7,6 +7,7 @@
 -   Added option to highlight messages of specific usernames
 -   Added option to highlight messages based on badges
 -   Added button to user card to toggle highlighting for a users messages
+-   Added mod icon for warning users to chat mod icons and user card
 
 ### 3.1.1.3000
 
diff --git a/locale/en_US.yaml b/locale/en_US.yaml
index 911c0c238..e91e93d1c 100644
--- a/locale/en_US.yaml
+++ b/locale/en_US.yaml
@@ -32,6 +32,7 @@ user_card:
     unban_button: Unban
     mod_button: Mod
     unmod_button: Unmod
+    warn_button: Warn
 
 # Emote Menu
 # This interface allows the user to pick from available emotes
diff --git a/src/app/chat/UserCard.vue b/src/app/chat/UserCard.vue
index 70f6fecbb..c5d1c99ca 100644
--- a/src/app/chat/UserCard.vue
+++ b/src/app/chat/UserCard.vue
@@ -102,6 +102,7 @@
 					v-if="ctx.actor.roles.has('MODERATOR')"
 					:active-tab="data.activeTab"
 					:message-count="data.count.messages"
+					:warning-count="data.count.warnings"
 					:ban-count="data.count.bans"
 					:timeout-count="data.count.timeouts"
 					:comment-count="data.count.comments"
@@ -215,12 +216,14 @@ const data = reactive({
 	messageCursors: new WeakMap<ChatMessage, string>(),
 	timelines: {
 		messages: {} as Record<string, ChatMessage[]>,
+		warnings: {} as Record<string, ChatMessage[]>,
 		bans: {} as Record<string, ChatMessage[]>,
 		timeouts: {} as Record<string, ChatMessage[]>,
 		comments: {} as Record<string, ChatMessage[]>,
 	} as Record<UserCardTabName, Record<string, ChatMessage[]>>,
 	count: {
 		messages: 0,
+		warnings: 0,
 		bans: 0,
 		timeouts: 0,
 		comments: 0,
@@ -277,6 +280,7 @@ async function fetchModeratorData(): Promise<void> {
 	if (!resp || resp.errors?.length || !resp.data.channelUser) return;
 
 	data.count.messages = resp.data.viewerCardModLogs.messages.count ?? 0;
+	data.count.warnings = resp.data.viewerCardModLogs.warnings.count ?? 0;
 	data.count.bans = resp.data.viewerCardModLogs.bans.count ?? 0;
 	data.count.timeouts = resp.data.viewerCardModLogs.timeouts.count ?? 0;
 	data.count.comments = resp.data.viewerCardModLogs.comments.edges.length ?? 0;
@@ -285,11 +289,13 @@ async function fetchModeratorData(): Promise<void> {
 
 	const timeouts = resp.data.viewerCardModLogs.timeouts.edges;
 	const bans = resp.data.viewerCardModLogs.bans.edges;
+	const warnings = resp.data.viewerCardModLogs.warnings.edges;
 
-	// Add timeouts and bans to the timeline
+	// Add warnings, timeouts and bans to the timeline
 	for (const [tabName, a] of [
 		["timeouts", timeouts] as [UserCardTabName, typeof timeouts],
 		["bans", bans] as [UserCardTabName, typeof bans],
+		["warnings", warnings] as [UserCardTabName, typeof warnings],
 	]) {
 		const result = [] as ChatMessage[];
 
@@ -542,7 +548,7 @@ onMounted(async () => {
 </script>
 
 <style scoped lang="scss">
-$card-width: 32rem;
+$card-width: 37rem;
 $card-height: 48rem;
 
 main.seventv-user-card-container {
@@ -719,7 +725,7 @@ main.seventv-user-card-container {
 			// grid: position each badge next to the other on the same row, wrapping if necessary
 			display: flex;
 			flex-wrap: wrap;
-			max-width: 18rem;
+			max-width: 22rem;
 			gap: 0.5rem;
 			align-self: start;
 			z-index: 1;
diff --git a/src/app/chat/UserCardMod.vue b/src/app/chat/UserCardMod.vue
index 4d313545b..392f7f128 100644
--- a/src/app/chat/UserCardMod.vue
+++ b/src/app/chat/UserCardMod.vue
@@ -8,6 +8,13 @@
 			/>
 		</div>
 
+		<div class="seventv-user-card-mod-side seventv-user-card-mod-warn">
+			<WarningIcon
+				v-tooltip="t('user_card.warn_button')"
+				@click="tools.openViewerWarnPopover(target.id, target.username, 0)"
+			/>
+		</div>
+
 		<div v-show="!ban" class="seventv-user-card-mod-timeout-options">
 			<button
 				v-for="opt of timeoutOptions"
@@ -38,9 +45,11 @@ import { useI18n } from "vue-i18n";
 import type { ChatUser } from "@/common/chat/ChatMessage";
 import { useChannelContext } from "@/composable/channel/useChannelContext";
 import { useChatModeration } from "@/composable/chat/useChatModeration";
+import { useChatTools } from "@/composable/chat/useChatTools";
 import { TwTypeChatBanStatus } from "@/assets/gql/tw.gql";
 import GavelIcon from "@/assets/svg/icons/GavelIcon.vue";
 import ShieldIcon from "@/assets/svg/icons/ShieldIcon.vue";
+import WarningIcon from "@/assets/svg/icons/WarningIcon.vue";
 
 const props = defineProps<{
 	target: ChatUser;
@@ -59,6 +68,7 @@ const { t } = useI18n();
 
 const ctx = useChannelContext();
 const mod = useChatModeration(ctx, props.target.username);
+const tools = useChatTools(ctx);
 
 async function banUser(duration: string): Promise<void> {
 	const resp = await mod.banUserFromChat(duration).catch(() => void 0);
@@ -87,9 +97,9 @@ const timeoutOptions = ["1s", "30s", "1m", "10m", "30m", "1h", "4h", "12h", "1d"
 <style scoped lang="scss">
 .seventv-user-card-mod {
 	display: grid;
-	grid-template-columns: 3em 1fr 3em;
+	grid-template-columns: 3em 3em 1fr 3em;
 	grid-template-rows: 1fr;
-	grid-template-areas: ". . .";
+	grid-template-areas: ". . . .";
 	height: 3rem;
 	align-items: center;
 	border-top: 0.1rem solid hsla(0deg, 0%, 100%, 10%);
@@ -127,5 +137,9 @@ const timeoutOptions = ["1s", "30s", "1m", "10m", "30m", "1h", "4h", "12h", "1d"
 	.seventv-user-card-mod-ban[is-banned="1"]:hover {
 		color: var(--seventv-accent);
 	}
+
+	.seventv-user-card-mod-warn:hover {
+		color: #fd0;
+	}
 }
 </style>
diff --git a/src/app/chat/UserCardTabs.vue b/src/app/chat/UserCardTabs.vue
index 23b2e4435..01850eb2d 100644
--- a/src/app/chat/UserCardTabs.vue
+++ b/src/app/chat/UserCardTabs.vue
@@ -15,11 +15,12 @@
 <script setup lang="ts">
 import { computed } from "vue";
 
-export type UserCardTabName = "messages" | "timeouts" | "bans" | "comments";
+export type UserCardTabName = "messages" | "warnings" | "timeouts" | "bans" | "comments";
 
 const props = defineProps<{
 	activeTab: UserCardTabName;
 	messageCount: number;
+	warningCount: number;
 	timeoutCount: number;
 	banCount: number;
 	commentCount: number;
@@ -33,6 +34,7 @@ const buttons = computed(
 	() =>
 		[
 			{ id: "messages", label: "Messages", count: props.messageCount, maxCount: 1000 },
+			{ id: "warnings", label: "Warnings", count: props.warningCount, maxCount: 99 },
 			{ id: "timeouts", label: "Timeouts", count: props.timeoutCount, maxCount: 99 },
 			{ id: "bans", label: "Bans", count: props.banCount, maxCount: 99 },
 			{ id: "comments", label: "Comments", count: props.commentCount, maxCount: 10 },
@@ -48,8 +50,8 @@ function formatCount(count: number, maxCount: number): string {
 .seventv-user-card-tabs {
 	border-top: 0.1rem solid hsla(0deg, 0%, 100%, 10%);
 	display: grid;
-	grid-template-columns: repeat(4, 1fr);
-	grid-template-areas: ". . . .";
+	grid-template-columns: repeat(5, 1fr);
+	grid-template-areas: ". . . . .";
 	height: 4rem;
 	box-shadow: 0 0.25rem 0.25rem rgba(0, 0, 0, 35%);
 	background-color: var(--seventv-background-transparent-1);
diff --git a/src/assets/gql/tw.user-card.gql.ts b/src/assets/gql/tw.user-card.gql.ts
index 90024074d..552d95c4a 100644
--- a/src/assets/gql/tw.user-card.gql.ts
+++ b/src/assets/gql/tw.user-card.gql.ts
@@ -194,6 +194,9 @@ export const twitchUserCardModLogsQuery = gql`
 			untimeouts: targetedActions(first: 99, type: UNTIMEOUT) {
 				...modLogsTargetedActionsResultFragment
 			}
+			warnings: targetedActions(first: 99, type: WARN) {
+				...modLogsTargetedActionsResultFragment
+			}
 			comments(first: 100) {
 				... on ModLogsCommentConnection {
 					edges {
@@ -291,7 +294,7 @@ export namespace twitchUserCardModLogsQuery {
 			}[];
 		};
 		timestamp: string;
-		type: "BAN" | "TIMEOUT" | "UNBAN" | "UNTIMEOUT";
+		type: "BAN" | "WARN" | "TIMEOUT" | "UNBAN" | "UNTIMEOUT";
 	}
 
 	interface ActionsConnection {
@@ -333,6 +336,7 @@ export namespace twitchUserCardModLogsQuery {
 			};
 			bans: ActionsConnection;
 			timeouts: ActionsConnection;
+			warnings: ActionsConnection;
 		};
 	}
 }
diff --git a/src/assets/svg/twitch/TwChatModWarn.vue b/src/assets/svg/twitch/TwChatModWarn.vue
new file mode 100644
index 000000000..8ac5b4927
--- /dev/null
+++ b/src/assets/svg/twitch/TwChatModWarn.vue
@@ -0,0 +1,11 @@
+<template>
+	<svg width="1em" height="1em" version="1.1" viewBox="0 0 20 20" x="0px" y="0px" fill="currentColor">
+		<g>
+			<path
+				fill-rule="evenodd"
+				d="M10.954 3.543c-.422-.724-1.486-.724-1.908 0l-6.9 11.844c-.418.719.11 1.613.955 1.613h13.798c.844 0 1.373-.894.955-1.613l-6.9-11.844zM11 15H9v-2h2v2zm0-3H9V7h2v5z"
+				clip-rule="evenodd"
+			></path>
+		</g>
+	</svg>
+</template>
diff --git a/src/composable/chat/useChatTools.ts b/src/composable/chat/useChatTools.ts
index d64ce6616..9c8ef7f57 100644
--- a/src/composable/chat/useChatTools.ts
+++ b/src/composable/chat/useChatTools.ts
@@ -4,6 +4,11 @@ import { ChannelContext } from "../channel/useChannelContext";
 interface ChatTools {
 	TWITCH: {
 		onShowViewerCard: Twitch.ViewerCardComponent["onShowViewerCard"];
+		onShowViewerWarnPopover: (
+			userId: string,
+			userLogin: string,
+			placement: Twitch.WarnUserPopoverPlacement,
+		) => void;
 	};
 	YOUTUBE: Record<string, never>;
 	KICK: Record<string, never>;
@@ -18,6 +23,7 @@ export function useChatTools(ctx: ChannelContext) {
 		data = reactive<ChatTools>({
 			TWITCH: {
 				onShowViewerCard: () => void 0,
+				onShowViewerWarnPopover: () => void 0,
 			},
 			YOUTUBE: {},
 			KICK: {},
@@ -27,10 +33,10 @@ export function useChatTools(ctx: ChannelContext) {
 		m.set(ctx, data);
 	}
 
-	function update<P extends Platform>(platorm: P, key: keyof ChatTools[P], value: ChatTools[P][keyof ChatTools[P]]) {
+	function update<P extends Platform>(platform: P, key: keyof ChatTools[P], value: ChatTools[P][keyof ChatTools[P]]) {
 		if (!data) return;
 
-		data[platorm][key] = value;
+		data[platform][key] = value;
 	}
 
 	function openViewerCard(e: MouseEvent, username: string, msgID: string) {
@@ -41,8 +47,16 @@ export function useChatTools(ctx: ChannelContext) {
 		return true;
 	}
 
+	function openViewerWarnPopover(userId: string, userLogin: string, placement: Twitch.WarnUserPopoverPlacement) {
+		if (!data || !userId || !userLogin) return false;
+
+		data[ctx.platform].onShowViewerWarnPopover(userId, userLogin, placement);
+		return true;
+	}
+
 	return {
 		update,
 		openViewerCard,
+		openViewerWarnPopover,
 	};
 }
diff --git a/src/site/twitch.tv/modules/chat/ChatController.vue b/src/site/twitch.tv/modules/chat/ChatController.vue
index 7fecce7b8..797b10c9e 100644
--- a/src/site/twitch.tv/modules/chat/ChatController.vue
+++ b/src/site/twitch.tv/modules/chat/ChatController.vue
@@ -305,6 +305,19 @@ a.then(
 	() => null,
 );
 
+tools.update(
+	"TWITCH",
+	"onShowViewerWarnPopover",
+	(userId: string, userLogin: string, placement: Twitch.WarnUserPopoverPlacement) => {
+		const props = controller.value.component.props;
+		props.setWarnUserTarget({
+			targetUserID: userId,
+			targetUserLogin: userLogin,
+		});
+		props.setWarnUserPopoverPlacement(placement);
+	},
+);
+
 if (a instanceof ObserverPromise) {
 	until(useTimeout(1e4))
 		.toBeTruthy()
diff --git a/src/site/twitch.tv/modules/chat/components/mod/ModIcons.vue b/src/site/twitch.tv/modules/chat/components/mod/ModIcons.vue
index 08d817202..f716b4f9b 100644
--- a/src/site/twitch.tv/modules/chat/components/mod/ModIcons.vue
+++ b/src/site/twitch.tv/modules/chat/components/mod/ModIcons.vue
@@ -20,6 +20,16 @@
 			<TwChatModTimeout />
 		</span>
 
+		<span
+			v-if="msg.author && !msg.author.isActor"
+			ref="warnRef"
+			@click="showWarnPopover()"
+			@mouseenter="warnTooltip.show(warnRef)"
+			@mouseleave="warnTooltip.hide()"
+		>
+			<TwChatModWarn />
+		</span>
+
 		<span
 			ref="deleteRef"
 			@click="deleteChatMessage(msg.id)"
@@ -36,24 +46,35 @@ import { ref } from "vue";
 import type { ChatMessage } from "@/common/chat/ChatMessage";
 import { useChannelContext } from "@/composable/channel/useChannelContext";
 import { useChatModeration } from "@/composable/chat/useChatModeration";
+import { useChatTools } from "@/composable/chat/useChatTools";
 import { useTooltip } from "@/composable/useTooltip";
 import TwChatModBan from "@/assets/svg/twitch/TwChatModBan.vue";
 import TwChatModDelete from "@/assets/svg/twitch/TwChatModDelete.vue";
 import TwChatModTimeout from "@/assets/svg/twitch/TwChatModTimeout.vue";
+import TwChatModWarn from "@/assets/svg/twitch/TwChatModWarn.vue";
 
 const props = defineProps<{
 	msg: ChatMessage;
 }>();
 
 const ctx = useChannelContext();
+const tools = useChatTools(ctx);
 const { banUserFromChat, deleteChatMessage } = useChatModeration(ctx, props.msg.author?.username ?? "");
 
+function showWarnPopover() {
+	if (!props.msg.author) return;
+	tools.openViewerWarnPopover(props.msg.author.id, props.msg.author.username, 0);
+}
+
 const banRef = ref();
 const banTooltip = useTooltip(`Ban ${props.msg.author?.username ?? "???"}`);
 
 const timeoutRef = ref();
 const timeoutTooltip = useTooltip(`Timeout ${props.msg.author?.username ?? "???"}`);
 
+const warnRef = ref();
+const warnTooltip = useTooltip(`Warn ${props.msg.author?.username ?? "???"}`);
+
 const deleteRef = ref();
 const deleteTooltip = useTooltip(`Delete message by ${props.msg.author?.username ?? "???"}`);
 </script>
diff --git a/src/types/twitch.d.ts b/src/types/twitch.d.ts
index 87fff0d77..9f4dbc550 100644
--- a/src/types/twitch.d.ts
+++ b/src/types/twitch.d.ts
@@ -119,6 +119,11 @@ declare module Twitch {
 		};
 	};
 
+	export enum WarnUserPopoverPlacement {
+		CHAT = 0,
+		VIEWERS_LIST = 1,
+	}
+
 	export type ChatControllerComponent = ReactExtended.WritableComponent<{
 		authToken: string | undefined;
 		channelDisplayName: string;
@@ -161,6 +166,10 @@ declare module Twitch {
 		userDisplayName: string | undefined;
 		userID: string | undefined;
 		userLogin: string | undefined;
+		warnUserTargetLogin: string | undefined;
+		warnUserTargetID: string | undefined;
+		setWarnUserTarget: (target: { targetUserLogin: string; targetUserID: string }) => void;
+		setWarnUserPopoverPlacement: (placement: WarnUserPopoverPlacement | null) => void;
 	}> & {
 		pushMessage: (msg: Partial<ChatMessage>) => void;
 		sendMessage: (msg: string, n?: any) => void;