Tomašević, Tomasevic or Tomasevich is a surname. Notable people with the surname include:
Aleksandar Tomašević (1908–1988), Serbian Yugoslav international football player and manager
Dejan Tomašević (born 1973), Serbian professional basketball player
Dragana Tomašević (born 1982), Serbian discus thrower
Dragutin Tomašević (1890–1915), track and field athlete and gymnast from the Kingdom of Serbia
Goran Tomasevic (born 1969), international war photographer
Guillermo Tomasevich (born 1987), Peruvian footballer
Ivan Tomašević, several people
Jelena Tomašević (born 1983), Serbian pop singer
Jozo Tomasevich (1908–1994), Croatian American scholar
Kosta Tomašević (1923–1976), Yugoslavian (Serbian) football player
Stephen Tomašević of Bosnia, ruled from 1461 to 1463 as the last King of Bosnia
Vincent Tomasevich Thomas (1907–1980), Croatian American politician
Vuko Tomasevic (born 1980), football (soccer) player
Žarko Tomašević (born 1990), Montenegrin footballer
