diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index ffb918c..55175f5 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -35,6 +35,7 @@
   * `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`.
 
 
 Custom asymmetric vectors
diff --git a/vectors/cryptography_vectors/asymmetric/X25519/rfc7748.txt b/vectors/cryptography_vectors/asymmetric/X25519/rfc7748.txt
new file mode 100644
index 0000000..504a6d7
--- /dev/null
+++ b/vectors/cryptography_vectors/asymmetric/X25519/rfc7748.txt
@@ -0,0 +1,16 @@
+# From https://tools.ietf.org/html/rfc7748#section-5.2
+
+COUNT = 1
+INPUT_SCALAR = a546e36bf0527c9d3b16154b82465edd62144c0ac1fc5a18506a2244ba449ac4
+INPUT_U = e6db6867583030db3594c1a424b15f7c726624ec26b3353b10a903a6d0ab1c4c
+OUTPUT_U = c3da55379de9c6908e94ea4df28d084f32eccf03491c71f754b4075577a28552
+
+COUNT = 2
+INPUT_SCALAR = 4b66e9d4d1b4673c5ad22691957d6af5c11b6421e0ea01d42ca4169e7918ba0d
+INPUT_U = e5210f12786811d3f4b7959d0538ae2c31dbe7106fc03c3efc4cd549c715a493
+OUTPUT_U = 95cbde9476e8907d7aade45cb4b873f88b595a68799fa152e6f8f7647aac7957
+
+COUNT = 3
+INPUT_SCALAR = 0900000000000000000000000000000000000000000000000000000000000000
+INPUT_U = 0900000000000000000000000000000000000000000000000000000000000000
+OUTPUT_U = 422c8e7a6227d7bca1350b3e2bb7279f7897b87bb6854b783c60e80311ae3079