| Mart-Olav Niklus | |
| Birth Date: | 22 September 1934 |
| Birth Place: | Tartu, Estonia |
| Nationality: | Estonian |
| Occupation: | Ornithologist and politician |
Mart-Olav Niklus (born 22 September 1934 Tartu) is an Estonian ornithologist, dissident, and politician. He was a member of VII Riigikogu.[1]