diff --git a/.changeset/kind-boats-train.md b/.changeset/kind-boats-train.md
new file mode 100644
index 00000000000..83267d880ed
--- /dev/null
+++ b/.changeset/kind-boats-train.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/starlight': patch
+---
+
+Add Slack social link icon
diff --git a/packages/starlight/components/Icons.ts b/packages/starlight/components/Icons.ts
index f6910737782..6446a5ae8a0 100644
--- a/packages/starlight/components/Icons.ts
+++ b/packages/starlight/components/Icons.ts
@@ -99,4 +99,6 @@ export const Icons = {
 		'<path d="M14.41 16.87a3.38 3.38 0 0 1-2.37.63 3.37 3.37 0 0 1-2.36-.63 1 1 0 0 0-1.42 1.41 5.11 5.11 0 0 0 3.78 1.22 5.12 5.12 0 0 0 3.78-1.22 1 1 0 1 0-1.41-1.41ZM9.2 15a1 1 0 1 0-1-1 1 1 0 0 0 1 1Zm6-2a1 1 0 1 0 1 1 1 1 0 0 0-1-1Zm7.8-1.22a3.77 3.77 0 0 0-6.8-2.26 16.5 16.5 0 0 0-3.04-.48l.85-5.7 2.09.7a3 3 0 0 0 6-.06v-.02a3.03 3.03 0 0 0-3-2.96 2.98 2.98 0 0 0-2.34 1.16l-3.24-1.1a1 1 0 0 0-1.3.8l-1.09 7.17a16.66 16.66 0 0 0-3.34.49 3.77 3.77 0 0 0-6.22 4.23A4.86 4.86 0 0 0 1 16c0 3.92 4.83 7 11 7s11-3.08 11-7a4.86 4.86 0 0 0-.57-2.25 3.78 3.78 0 0 0 .57-1.97ZM19.1 3a1 1 0 1 1-1 1 1.02 1.02 0 0 1 1-1ZM4.77 10a1.76 1.76 0 0 1 .88.25A9.98 9.98 0 0 0 3 11.92v-.14A1.78 1.78 0 0 1 4.78 10ZM12 21c-4.88 0-9-2.29-9-5s4.12-5 9-5 9 2.29 9 5-4.12 5-9 5Zm8.99-9.08a9.98 9.98 0 0 0-2.65-1.67 1.76 1.76 0 0 1 .88-.25A1.78 1.78 0 0 1 21 11.78l-.01.14Z"/>',
 	patreon:
 		'<path d="M22.04 7.6c0-2.8-2.19-5.1-4.75-5.93a15.19 15.19 0 0 0-10.44.55C3.16 3.96 2 7.78 1.95 11.58c-.02 3.12.3 11.36 4.94 11.42 3.45.04 3.97-4.4 5.56-6.55 1.14-1.52 2.6-1.95 4.4-2.4 3.1-.76 5.2-3.2 5.2-6.44Z"/>',
+	slack:
+		'<path d="M5.042 15.165a2.528 2.528 0 0 1-2.52 2.523A2.528 2.528 0 0 1 0 15.165a2.527 2.527 0 0 1 2.522-2.52h2.52v2.52Zm1.271 0a2.527 2.527 0 0 1 2.521-2.52 2.527 2.527 0 0 1 2.521 2.52v6.313A2.528 2.528 0 0 1 8.834 24a2.528 2.528 0 0 1-2.521-2.522v-6.313ZM8.834 5.042a2.528 2.528 0 0 1-2.521-2.52A2.528 2.528 0 0 1 8.834 0a2.528 2.528 0 0 1 2.521 2.522v2.52H8.834Zm0 1.271a2.528 2.528 0 0 1 2.521 2.521 2.528 2.528 0 0 1-2.521 2.521H2.522A2.528 2.528 0 0 1 0 8.834a2.528 2.528 0 0 1 2.522-2.521h6.312Zm10.122 2.521a2.528 2.528 0 0 1 2.522-2.521A2.528 2.528 0 0 1 24 8.834a2.528 2.528 0 0 1-2.522 2.521h-2.522V8.834Zm-1.268 0a2.528 2.528 0 0 1-2.523 2.521 2.527 2.527 0 0 1-2.52-2.521V2.522A2.527 2.527 0 0 1 15.165 0a2.528 2.528 0 0 1 2.523 2.522v6.312Zm-2.523 10.122a2.528 2.528 0 0 1 2.523 2.522A2.528 2.528 0 0 1 15.165 24a2.527 2.527 0 0 1-2.52-2.522v-2.522h2.52Zm0-1.268a2.527 2.527 0 0 1-2.52-2.523 2.526 2.526 0 0 1 2.52-2.52h6.313A2.527 2.527 0 0 1 24 15.165a2.528 2.528 0 0 1-2.522 2.523h-6.313Z"/>',
 };
diff --git a/packages/starlight/schemas/social.ts b/packages/starlight/schemas/social.ts
index b8aac4b60d0..6882f9f8a36 100644
--- a/packages/starlight/schemas/social.ts
+++ b/packages/starlight/schemas/social.ts
@@ -24,6 +24,7 @@ export const socialLinks = [
 	'email',
 	'reddit',
 	'patreon',
+	'slack',
 ] as const;
 
 export const SocialLinksSchema = () =>
@@ -63,6 +64,7 @@ export const SocialLinksSchema = () =>
 					email: 'Email',
 					reddit: 'Reddit',
 					patreon: 'Patreon',
+					slack: 'Slack',
 				}[key];
 				labelledLinks[key] = { label, url };
 			}