DYDD is an AM radio station in Cebu City, Philippines. It may also refer to the following:
Dydd Gŵyl Dewi Sant, known in English as Saint David's Day Dydd Miwsig Cymru, known in English as Welsh Language Music Day Dydd Santes Dwynwen, St. Dwynwen's Day in Wales Y Dydd, weekly liberal Welsh language newspaper
See also DYD (disambiguation)