diff --git a/_data/simple-icons.json b/_data/simple-icons.json
index 4f8082dc..5fc7f5c1 100644
--- a/_data/simple-icons.json
+++ b/_data/simple-icons.json
@@ -4267,6 +4267,11 @@
             "hex": "000000",
             "source": "https://jwt.io/"
         },
+        {
+            "title": "JSS",
+            "hex": "F7DF1E",
+            "source": "https://cssinjs.org/"
+        },
         {
             "title": "Julia",
             "hex": "9558B2",
diff --git a/icons/jss.svg b/icons/jss.svg
new file mode 100644
index 00000000..bd714196
--- /dev/null
+++ b/icons/jss.svg
@@ -0,0 +1 @@
+<svg role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><title>JSS icon</title><path d="M0 2.5v19h19.2v-1.95c.506.263 1.124.42 1.857.42 1.687 0 2.943-.877 2.943-2.475 0-1.483-.852-2.143-2.36-2.79l-.444-.19c-.762-.33-1.092-.546-1.092-1.078 0-.431.33-.761.85-.761.51 0 .838.215 1.142.76l1.383-.887c-.585-1.029-1.396-1.422-2.525-1.422-.715 0-1.312.207-1.754.555V2.5zm.36.359h18.48v9.182a2.266 2.266 0 00-.487 1.432c0 .654.176 1.152.486 1.552v2.537l-1.018.592c.232.456.57.864 1.018 1.177v1.81H.361zm14.188 8.268c-1.586 0-2.6 1.014-2.6 2.346 0 1.445.85 2.13 2.132 2.675l.443.19c.81.355 1.293.57 1.293 1.18 0 .508-.47.875-1.205.875-.876 0-1.371-.457-1.752-1.078l-1.443.839c.521 1.03 1.587 1.816 3.236 1.816 1.687 0 2.943-.876 2.943-2.475 0-1.483-.852-2.143-2.361-2.79l-.444-.19c-.762-.33-1.092-.546-1.092-1.078 0-.431.33-.761.85-.761.51 0 .838.215 1.143.76l1.382-.887c-.584-1.029-1.396-1.422-2.525-1.422zm-5.868.101v6.038c0 .888-.368 1.116-.951 1.116-.61 0-.864-.418-1.143-.913l-1.446.875c.419.886 1.242 1.622 2.664 1.622 1.574 0 2.652-.837 2.652-2.676v-6.062zm10.52 4.173c.345.295.781.532 1.286.747l.443.19c.81.355 1.293.57 1.293 1.18 0 .508-.47.875-1.206.875-.876 0-1.37-.457-1.752-1.078l-.064.037z"/></svg>
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