Diucholl (Dicholl, Duchoil, etc.), the name of several Irish saints:
(1) Son of Neman, commemorated December 25.
(2) Of Cluain-braein (near Louth), commemorated May 1.
(3) Derg, son of Nessan, of Inisfaithlenu (now Ireland's Eye, off Howth, County Dublin), in the 6th or 7th century; commemorated March 15.