diff --git a/packages/block-library/src/social-link/icons/imdb.js b/packages/block-library/src/social-link/icons/imdb.js
new file mode 100644
index 00000000000000..df92c4cec58ed4
--- /dev/null
+++ b/packages/block-library/src/social-link/icons/imdb.js
@@ -0,0 +1,10 @@
+/**
+ * WordPress dependencies
+ */
+import { Path, SVG } from '@wordpress/primitives';
+
+export const ImdbIcon = () => (
+	<SVG xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512">
+		<Path d="M400 32H48C21.5 32 0 53.5 0 80v352c0 26.5 21.5 48 48 48h352c26.5 0 48-21.5 48-48V80c0-26.5-21.5-48-48-48zM21.3 229.2H21c.1-.1 .2-.3 .3-.4zM97 319.8H64V192h33zm113.2 0h-28.7v-86.4l-11.6 86.4h-20.6l-12.2-84.5v84.5h-29V192h42.8c3.3 19.8 6 39.9 8.7 59.9l7.6-59.9h43zm11.4 0V192h24.6c17.6 0 44.7-1.6 49 20.9 1.7 7.6 1.4 16.3 1.4 24.4 0 88.5 11.1 82.6-75 82.5zm160.9-29.2c0 15.7-2.4 30.9-22.2 30.9-9 0-15.2-3-20.9-9.8l-1.9 8.1h-29.8V192h31.7v41.7c6-6.5 12-9.2 20.9-9.2 21.4 0 22.2 12.8 22.2 30.1zM265 229.9c0-9.7 1.6-16-10.3-16v83.7c12.2 .3 10.3-8.7 10.3-18.4zm85.5 26.1c0-5.4 1.1-12.7-6.2-12.7-6 0-4.9 8.9-4.9 12.7 0 .6-1.1 39.6 1.1 44.7 .8 1.6 2.2 2.4 3.8 2.4 7.8 0 6.2-9 6.2-14.4z" />
+	</SVG>
+);
diff --git a/packages/block-library/src/social-link/icons/index.js b/packages/block-library/src/social-link/icons/index.js
index 422ff6f02dd20e..ced238b19447c4 100644
--- a/packages/block-library/src/social-link/icons/index.js
+++ b/packages/block-library/src/social-link/icons/index.js
@@ -45,3 +45,5 @@ export * from './wordpress';
 export * from './x';
 export * from './yelp';
 export * from './youtube';
+export * from './imdb';
+export * from './letterboxd';
diff --git a/packages/block-library/src/social-link/icons/letterboxd.js b/packages/block-library/src/social-link/icons/letterboxd.js
new file mode 100644
index 00000000000000..77e12f0e6a7c0f
--- /dev/null
+++ b/packages/block-library/src/social-link/icons/letterboxd.js
@@ -0,0 +1,10 @@
+/**
+ * WordPress dependencies
+ */
+import { Path, SVG } from '@wordpress/primitives';
+
+export const LetterboxdIcon = () => (
+	<SVG xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512">
+		<Path d="M521.3 128C586.9 128 640 181.1 640 246.6s-53.1 118.6-118.7 118.6c-42.5 0-79.7-22.3-100.7-55.8c11.4-18.2 18-39.7 18-62.8s-6.6-44.6-18-62.8l0 0 .8-1.2c20.8-32.3 56.8-53.9 97.9-54.6l2 0zM320 128c42.5 0 79.7 22.3 100.7 55.8c-11.4 18.2-18 39.7-18 62.8s6.6 44.6 18 62.8l0 0-.8 1.2c-20.8 32.3-56.8 53.9-97.9 54.6l-2 0c-42.5 0-79.7-22.3-100.7-55.8c11.4-18.2 18-39.7 18-62.8s-6.6-44.6-18-62.8l0 0 .8-1.2c20.8-32.3 56.8-53.9 97.9-54.6l2 0zm-201.3 0c42.5 0 79.7 22.3 100.7 55.8c-11.4 18.2-18 39.7-18 62.8s6.6 44.6 18 62.8l0 0-.8 1.2c-20.8 32.3-56.8 53.9-97.9 54.6l-2 0C53.1 365.1 0 312.1 0 246.6S53.1 128 118.7 128z" />
+	</SVG>
+);
diff --git a/packages/block-library/src/social-link/index.php b/packages/block-library/src/social-link/index.php
index f241daff2a11a8..32c684a098a86c 100644
--- a/packages/block-library/src/social-link/index.php
+++ b/packages/block-library/src/social-link/index.php
@@ -329,6 +329,14 @@ function block_core_social_link_services( $service = '', $field = '' ) {
 			'name' => 'YouTube',
 			'icon' => '<svg width="24" height="24" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false"><path d="M21.8,8.001c0,0-0.195-1.378-0.795-1.985c-0.76-0.797-1.613-0.801-2.004-0.847c-2.799-0.202-6.997-0.202-6.997-0.202 h-0.009c0,0-4.198,0-6.997,0.202C4.608,5.216,3.756,5.22,2.995,6.016C2.395,6.623,2.2,8.001,2.2,8.001S2,9.62,2,11.238v1.517 c0,1.618,0.2,3.237,0.2,3.237s0.195,1.378,0.795,1.985c0.761,0.797,1.76,0.771,2.205,0.855c1.6,0.153,6.8,0.201,6.8,0.201 s4.203-0.006,7.001-0.209c0.391-0.047,1.243-0.051,2.004-0.847c0.6-0.607,0.795-1.985,0.795-1.985s0.2-1.618,0.2-3.237v-1.517 C22,9.62,21.8,8.001,21.8,8.001z M9.935,14.594l-0.001-5.62l5.404,2.82L9.935,14.594z"></path></svg>',
 		),
+		'imdb'       	=> array(
+			'name' => 'IMDB',
+			'icon' => '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="M400 32H48C21.5 32 0 53.5 0 80v352c0 26.5 21.5 48 48 48h352c26.5 0 48-21.5 48-48V80c0-26.5-21.5-48-48-48zM21.3 229.2H21c.1-.1 .2-.3 .3-.4zM97 319.8H64V192h33zm113.2 0h-28.7v-86.4l-11.6 86.4h-20.6l-12.2-84.5v84.5h-29V192h42.8c3.3 19.8 6 39.9 8.7 59.9l7.6-59.9h43zm11.4 0V192h24.6c17.6 0 44.7-1.6 49 20.9 1.7 7.6 1.4 16.3 1.4 24.4 0 88.5 11.1 82.6-75 82.5zm160.9-29.2c0 15.7-2.4 30.9-22.2 30.9-9 0-15.2-3-20.9-9.8l-1.9 8.1h-29.8V192h31.7v41.7c6-6.5 12-9.2 20.9-9.2 21.4 0 22.2 12.8 22.2 30.1zM265 229.9c0-9.7 1.6-16-10.3-16v83.7c12.2 .3 10.3-8.7 10.3-18.4zm85.5 26.1c0-5.4 1.1-12.7-6.2-12.7-6 0-4.9 8.9-4.9 12.7 0 .6-1.1 39.6 1.1 44.7 .8 1.6 2.2 2.4 3.8 2.4 7.8 0 6.2-9 6.2-14.4z"/></svg>',
+		),
+		'letterboxd'    => array(
+			'name' => 'Letterboxd',
+			'icon' => '	<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path d="M521.3 128C586.9 128 640 181.1 640 246.6s-53.1 118.6-118.7 118.6c-42.5 0-79.7-22.3-100.7-55.8c11.4-18.2 18-39.7 18-62.8s-6.6-44.6-18-62.8l0 0 .8-1.2c20.8-32.3 56.8-53.9 97.9-54.6l2 0zM320 128c42.5 0 79.7 22.3 100.7 55.8c-11.4 18.2-18 39.7-18 62.8s6.6 44.6 18 62.8l0 0-.8 1.2c-20.8 32.3-56.8 53.9-97.9 54.6l-2 0c-42.5 0-79.7-22.3-100.7-55.8c11.4-18.2 18-39.7 18-62.8s-6.6-44.6-18-62.8l0 0 .8-1.2c20.8-32.3 56.8-53.9 97.9-54.6l2 0zm-201.3 0c42.5 0 79.7 22.3 100.7 55.8c-11.4 18.2-18 39.7-18 62.8s6.6 44.6 18 62.8l0 0-.8 1.2c-20.8 32.3-56.8 53.9-97.9 54.6l-2 0C53.1 365.1 0 312.1 0 246.6S53.1 128 118.7 128z"/></svg>',
+		),
 	);
 
 	if ( ! empty( $service )
diff --git a/packages/block-library/src/social-link/variations.js b/packages/block-library/src/social-link/variations.js
index a97a396882d761..486dee0e861d70 100644
--- a/packages/block-library/src/social-link/variations.js
+++ b/packages/block-library/src/social-link/variations.js
@@ -49,6 +49,8 @@ import {
 	XIcon,
 	YelpIcon,
 	YouTubeIcon,
+	ImdbIcon,
+	LetterboxdIcon,
 } from './icons';
 
 const variations = [
@@ -338,6 +340,18 @@ const variations = [
 		title: 'YouTube',
 		icon: YouTubeIcon,
 	},
+	{
+		name: 'imdb',
+		attributes: { service: 'imdb' },
+		title: 'IMDB',
+		icon: ImdbIcon,
+	},
+	{
+		name: 'letterboxd',
+		attributes: { service: 'letterboxd' },
+		title: 'Letterboxd',
+		icon: LetterboxdIcon,
+	},
 ];
 
 /**