diff --git a/data/category-entertainment b/data/category-entertainment
index bb392e3c..19de4d62 100644
--- a/data/category-entertainment
+++ b/data/category-entertainment
@@ -54,6 +54,7 @@ include:pixiv
 include:plutotv
 include:pocketcasts
 include:primevideo
+include:radiko
 include:roku
 include:showtimeanytime
 include:sling
diff --git a/data/radiko b/data/radiko
new file mode 100644
index 00000000..b201f1e7
--- /dev/null
+++ b/data/radiko
@@ -0,0 +1,5 @@
+# radiko official access and streaming domains
+
+radiko-cf.com
+radiko.jp
+smartstream.ne.jp