| Ion Nițu | |
| Birth Date: | 31 July 1952 |
| Birth Place: | Bucharest, Romania |
| Death Place: | Bucharest, Romania |
| Position: | Central defender |
| Youthyears1: | 1971–1972 |
| Youthclubs1: | Steaua București |
| Years1: | 1972–1973 |
| Clubs1: | Steaua București |
| Caps1: | 1 |
| Goals1: | 0 |
| Years2: | 1973–1976 |
| Clubs2: | Jiul Petroșani |
| Caps2: | 100 |
| Goals2: | 2 |
| Years3: | 1976–1981 |
| Clubs3: | Steaua București |
| Caps3: | 81 |
| Goals3: | 0 |
| Years4: | 1981–1985 |
| Clubs4: | Bihor Oradea |
| Caps4: | 93 |
| Goals4: | 0 |
| Years5: | 1986 |
| Clubs5: | Înfrățirea Oradea |
| Totalcaps: | 275 |
| Totalgoals: | 2 |
Ion Nițu (born 31 July 1952 – 15 June 2004) was a Romanian footballer who played as a defender for teams such as Steaua București, Jiul Petroșani and Bihor Oradea, among others.
Jiul Petroșani