| Kosta Tomašević | |
| Birth Date: | 25 July 1923 |
| Birth Place: | Stari Banovci, Kingdom of Serbs, Croats and Slovenes |
| Death Place: | Belgrade, SFR Yugoslavia |
| Position: | Striker |
| Years2: | 1946–1954 |
| Years3: | 1954–1956 |
| Clubs1: | BSK Beograd |
| Clubs2: | Red Star Belgrade |
| Clubs3: | Spartak Subotica |
| Caps2: | 110 |
| Goals2: | 76 |
| Caps3: | 46 |
| Goals3: | 28 |
| Nationalyears1: | 1946–1951 |
| Nationalteam1: | Yugoslavia |
| Nationalcaps1: | 10 |
| Nationalgoals1: | 5 |
Kosta Tomašević (Serbian Cyrillic: Коста Томашевић; 25 July 1923 – 13 March 1976) was a Serbian footballer remembered for his illustrious career with Red Star Belgrade. Tomašević also represented both the Yugoslavia national football team, including playing at the 1948 Summer Olympics.[1]