diff --git a/.changeset/rude-balloons-jam.md b/.changeset/rude-balloons-jam.md
new file mode 100644
index 000000000..8252196b0
--- /dev/null
+++ b/.changeset/rude-balloons-jam.md
@@ -0,0 +1,5 @@
+---
+"@primer/octicons": minor
+---
+
+Add 12px `×` icon
diff --git a/icons/x-12.svg b/icons/x-12.svg
new file mode 100644
index 000000000..670f81e8f
--- /dev/null
+++ b/icons/x-12.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"><path d="M2.22 2.22a.749.749 0 0 1 1.06 0L6 4.939 8.72 2.22a.749.749 0 1 1 1.06 1.06L7.061 6 9.78 8.72a.749.749 0 1 1-1.06 1.06L6 7.061 3.28 9.78a.749.749 0 1 1-1.06-1.06L4.939 6 2.22 3.28a.749.749 0 0 1 0-1.06Z"/></svg>
\ No newline at end of file
diff --git a/lib/octicons_react/__tests__/tree-shaking.test.js b/lib/octicons_react/__tests__/tree-shaking.test.js
index c60edfe1b..ad1a8877b 100644
--- a/lib/octicons_react/__tests__/tree-shaking.test.js
+++ b/lib/octicons_react/__tests__/tree-shaking.test.js
@@ -50,5 +50,5 @@ test('tree shaking single export', async () => {
   })
 
   const bundleSize = Buffer.byteLength(output[0].code.trim()) / 1000
-  expect(`${bundleSize}kB`).toMatchInlineSnapshot(`"2.848kB"`)
+  expect(`${bundleSize}kB`).toMatchInlineSnapshot(`"3.168kB"`)
 })