diff --git a/layouts/partials/share_icons.html b/layouts/partials/share_icons.html
index 59ed0503..4281c940 100644
--- a/layouts/partials/share_icons.html
+++ b/layouts/partials/share_icons.html
@@ -68,4 +68,14 @@
         </svg>
     </a>
     {{- end }}
-</div>
\ No newline at end of file
+    {{- if (cond ($custom) (in $ShareButtons "ycombinator") (true)) }}
+    <a target="_blank" rel="noopener noreferrer" aria-label="share {{ $title | plainify }} on ycombinator"
+        href="https://news.ycombinator.com/submitlink?t={{ $title }}&u={{ $pageurl }}">
+        <svg version="1.1" xml:space="preserve" width="30px" height="30px" viewBox="0 0 512 512" fill="currentColor"
+            xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape">
+            <path
+                d="M449.446 0C483.971 0 512 28.03 512 62.554L512 449.446C512 483.97 483.97 512 449.446 512L62.554 512C28.03 512 0 483.97 0 449.446L0 62.554C0 28.03 28.029 0 62.554 0L449.446 0ZM183.8767 87.9921H121.8427L230.6673 292.4508V424.0079H281.3328V292.4508L390.1575 87.9921H328.1233L256 238.2489z" />
+        </svg>
+    </a>
+    {{- end }}
+</div>