Martinis is an Italian surname. Notable people with the surname include:
Apostolos Martinis (born 2001). Greek professional footballer Carla Martinis, Croatian operatic soprano Elio Martinis (1921 – 2013), talian partisan and paleontologist John Martinis, American politician John M. Martinis, American physicist and professor Susan A. Martinis, American biochemist
See also Martini (surname)