diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index e5ff70b..a3ffc9a 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -48,7 +48,7 @@
   * `Botan's ECC private keys`_.
 * `asymmetric/public/PKCS1/dsa.pub.pem`_ is a PKCS1 DSA public key from the
   Ruby test suite.
-* X25519 test vectors from :rfc:`7748`.
+* X25519 and X448 test vectors from :rfc:`7748`.
 * RSA OAEP with custom label from the `BoringSSL evp tests`_.
 
 
diff --git a/vectors/cryptography_vectors/asymmetric/X448/rfc7748.txt b/vectors/cryptography_vectors/asymmetric/X448/rfc7748.txt
new file mode 100644
index 0000000..613ea1d
--- /dev/null
+++ b/vectors/cryptography_vectors/asymmetric/X448/rfc7748.txt
@@ -0,0 +1,16 @@
+# From https://tools.ietf.org/html/rfc7748#section-5.2
+
+COUNT = 1
+INPUT_SCALAR = 3d262fddf9ec8e88495266fea19a34d28882acef045104d0d1aae121700a779c984c24f8cdd78fbff44943eba368f54b29259a4f1c600ad3
+INPUT_U = 06fce640fa3487bfda5f6cf2d5263f8aad88334cbd07437f020f08f9814dc031ddbdc38c19c6da2583fa5429db94ada18aa7a7fb4ef8a086
+OUTPUT_U = ce3e4ff95a60dc6697da1db1d85e6afbdf79b50a2412d7546d5f239fe14fbaadeb445fc66a01b0779d98223961111e21766282f73dd96b6f
+
+COUNT = 2
+INPUT_SCALAR = 203d494428b8399352665ddca42f9de8fef600908e0d461cb021f8c538345dd77c3e4806e25f46d3315c44e0a5b4371282dd2c8d5be3095f
+INPUT_U = 0fbcc2f993cd56d3305b0b7d9e55d4c1a8fb5dbb52f8e9a1e9b6201b165d015894e56c4d3570bee52fe205e28a78b91cdfbde71ce8d157db
+OUTPUT_U = 884a02576239ff7a2f2f63b2db6a9ff37047ac13568e1e30fe63c4a7ad1b3ee3a5700df34321d62077e63633c575c1c954514e99da7c179d
+
+COUNT = 3
+INPUT_SCALAR = 0500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+INPUT_U = 0500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+OUTPUT_U = 3f482c8a9f19b01e6c46ee9711d9dc14fd4bf67af30765c2ae2b846a4d23a8cd0db897086239492caf350b51f833868b9bc2b3bca9cf4113