John Martinus (27 Julie 1939 – 17 Augustus 2016) was 'n Deense akteur. Hy was bekend vir sy rolle in die rolprente Idioterne (1998) en Dancer in the Dark (2000), en in die televisiereeks Matador (1978). 1998: Idioterne 2000: Dancer in the Dark 1977: En by i provinsen 1978: Matador 2011: Rollator banden 1996: Den grønne elevator John Martinus in die Internet-rolprentdatabasis