Cynon

Cynon may refer to:

Cynon Valley

 * Cynon Valley, one of the South Wales Valleys
 * River Cynon, the river which gives its name to the Cynon Valley
 * Rhondda Cynon Taf, an administrative area in Wales created through the merger of the former districts of the Rhondda, Cynon Valley and Taff-Ely
 * Cynon Valley (UK Parliament constituency), a UK constituency that serves the Cynon Valley
 * Cynon Valley (Assembly constituency), a Welsh Assembly constituency that serves the Cynon Valley

People

 * Cynon ap Clydno, a Welsh hero of Arthurian legend