Cadwgan Delynor (fl. late 14th / early 15th century) was a Welsh musician. Little is known about him.
His works include the airs; 'Awen Oleuddydd' ('The Daylight Muse'), 'Cog Wenllian' ('Gwenllian's Cuckoo'), 'Oerloes Goeden' ('The Sapling'), and 'Owiai Gywydd' ('The Warbler's Ode'). The given English names are not necessarily literal translations of the Welsh.