diff --git a/data/marginalia.json b/data/marginalia.json
index b8cb668..8dde0af 100644
--- a/data/marginalia.json
+++ b/data/marginalia.json
@@ -400,5 +400,18 @@
       "euro",
       "money"
     ]
+  },
+  {
+    "id": "vksIE0-A0dVxN055JgbXS",
+    "url": "/custom/dequoter-app-icon.png",
+    "name": "Dequoter App Icon",
+    "w": 512,
+    "h": 512,
+    "alt": "An orange app icon with a design meant to invoke single quotation marks",
+    "tags": [
+      "dequoter",
+      "app",
+      "icon"
+    ]
   }
 ]
\ No newline at end of file
diff --git a/site/images/marginalia/custom/dequoter-app-icon.png b/site/images/marginalia/custom/dequoter-app-icon.png
new file mode 100644
index 0000000..aaaf921
Binary files /dev/null and b/site/images/marginalia/custom/dequoter-app-icon.png differ