| Žarko Knežević | |
| Position: | Center |
| Height M: | 2.10 |
| Weight Kg: | 107 |
| Birth Date: | 17 July 1947 |
| Birth Place: | Mojanovići, PR Montenegro, FPR Yugoslavia |
| Death Place: | Belgrade, Serbia |
| Nationality: | Montenegrin / Serbian |
| Draft Year: | 1969 |
| Career Start: | 1965 |
| Career End: | 1983 |
| Career Position: | Center |
| Years1: | 1968–1977 |
| Team1: | OKK Beograd |
| Years2: | 1977–1978 |
| Team2: | BBV Hagen |
| Years3: | 1978–1979 |
| Team3: | Fenerbahçe |
| Years4: | 1979–1980 |
| Team4: | OKK Beograd |
| Years5: | 1980–1982 |
| Team5: | Budućnost |
| Years6: | 1982–1983 |
| Team6: | OKK Beograd |
Žarko Knežević (Serbian: Жарко Кнежевић; 17 July 1947 – 30 October 2020[1]) was a Montenegrin basketball player who played at the center position.
Knežević was a member of the Yugoslav national team from 1971 to 1974. He played for Fenerbahçe at the 1978–79 season.