| Oliveira Duarte | |
| Fullname: | Joaquim António Oliveira Duarte |
| Birth Date: | 19 March 1943 |
| Birth Place: | Portugal |
| Position: | Defender |
| Years1: | 1964–1969 |
| Clubs1: | Sporting CP |
| Nationalyears1: | 1966 |
| Nationalteam1: | Portugal |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Joaquim António Oliveira Duarte (born 19 March 1943) is a former Portuguese footballer who played as defender.
Oliveira Duarte gained 1 cap for Portugal against Sweden in Lisbon 13 November 1966, in a 1-2 defeat.