Sima is a surname. Notable people with the surname include:
Gabriela Sima (1955–2016), Austrian opera singer Hans Sima (1918–2006), Austrian politician Horia Sima (1906–1993), Romanian fascist politician Jonas Sima (born 1937), Swedish filmmaker, journalist, writer and educator Josef Šíma (1891–1971), Czech painter Michel Sima (1912–1987), photographer and sculptor Oskar Sima (1896–1969), Austrian actor Raymond Ndong Sima, prime minister of Gabon Viorel Sima (born 1950), Romanian footballer
See also Sima (Chinese surname) Sima (disambiguation)