Cyril Marcel Christiani (28 October 1913 – 4 April 1938) was a West Indian cricketer who played in four Test matches in 1934/35. He played wicketkeeper in all four Tests of the 1934–35 series. Christiani died in 1938 of malaria. He had three brothers who played first-class cricket for British Guiana, one of whom was the Test cricketer Robert Christiani.