diff --git a/dev-libs/aws-c-auth/Manifest b/dev-libs/aws-c-auth/Manifest
new file mode 100644
index 0000000000000..73d44f605e3f2
--- /dev/null
+++ b/dev-libs/aws-c-auth/Manifest
@@ -0,0 +1 @@
+DIST aws-c-auth-0.9.1.tar.gz 265755 BLAKE2B 3b092f15ad7d892b31ed9478da0f58d47789d8bfe220a9563422ab978401a654dad3cd5470691f67f6868db4052cf2e8ae9b22212828112b3c033a9f31a71c10 SHA512 3e6ab0e35bb61702de9bad0b71a76c7ec9275d478f8a0dda8334185eff90be8c662e39ff0ca8fe3298663073167d1951910e017814c829e81d10785e44351ffd
diff --git a/dev-libs/aws-c-auth/aws-c-auth-0.9.1.ebuild b/dev-libs/aws-c-auth/aws-c-auth-0.9.1.ebuild
new file mode 100644
index 0000000000000..78ca88719bf57
--- /dev/null
+++ b/dev-libs/aws-c-auth/aws-c-auth-0.9.1.ebuild
@@ -0,0 +1,20 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DESCRIPTION="AWS C Auth: C99 library implementation of AWS client-side authentication."
+HOMEPAGE="https://github.com/awslabs/aws-c-auth"
+SRC_URI="https://github.com/awslabs/aws-c-auth/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+
+inherit cmake
+
+LICENSE="Apache-2.0"
+SLOT="0/1"
+KEYWORDS="~amd64"
+
+DEPEND="dev-libs/aws-c-sdkutils:=
+	dev-libs/aws-c-cal:=
+	dev-libs/aws-c-http:="
+RDEPEND="${DEPEND}"
+BDEPEND="dev-libs/aws-c-common"
diff --git a/dev-libs/aws-c-auth/metadata.xml b/dev-libs/aws-c-auth/metadata.xml
new file mode 100644
index 0000000000000..c113926f89218
--- /dev/null
+++ b/dev-libs/aws-c-auth/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>jkroon@gentoo.org</email>
+		<name>Jaco Kroon</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">awslabs/aws-c-auth</remote-id>
+	</upstream>
+</pkgmetadata>