diff --git a/.changeset/flat-fans-greet.md b/.changeset/flat-fans-greet.md
new file mode 100644
index 000000000..e827bd5d8
--- /dev/null
+++ b/.changeset/flat-fans-greet.md
@@ -0,0 +1,7 @@
+---
+"@primer/octicons": minor
+---
+
+Add filled alert icons
+- alert-fill-16
+- alert-fill-24
diff --git a/icons/alert-fill-16.svg b/icons/alert-fill-16.svg
new file mode 100644
index 000000000..b0cfc4eb5
--- /dev/null
+++ b/icons/alert-fill-16.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M6.457 1.047c.659-1.234 2.427-1.234 3.086 0l6.082 11.378A1.75 1.75 0 0114.082 15H1.918a1.75 1.75 0 01-1.543-2.575L6.457 1.047zM8 5a.75.75 0 01.75.75v2.5a.75.75 0 01-1.5 0v-2.5A.75.75 0 018 5zm1 6a1 1 0 11-2 0 1 1 0 012 0z"/></svg>
\ No newline at end of file
diff --git a/icons/alert-fill-24.svg b/icons/alert-fill-24.svg
new file mode 100644
index 000000000..a127b1c94
--- /dev/null
+++ b/icons/alert-fill-24.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path fill-rule="evenodd" d="M9.836 3.244c.963-1.665 3.365-1.665 4.328 0l8.967 15.504c.963 1.667-.24 3.752-2.165 3.752H3.034c-1.926 0-3.128-2.085-2.165-3.752L9.836 3.244zM12 8.5a.75.75 0 01.75.75v4.5a.75.75 0 01-1.5 0v-4.5A.75.75 0 0112 8.5zm1 9a1 1 0 11-2 0 1 1 0 012 0z"/></svg>
\ No newline at end of file