| Otto Gregussen | |
| Term Start: | 17 March 2000 |
| Term End: | 19 October 2001 |
| Primeminister: | Jens Stoltenberg |
| Predecessor: | Lars Peder Brekk |
| Successor: | Svein Ludvigsen |
| Office2: | State Secretary for the Ministry of Fisheries |
| Term Start2: | 7 January 1994 |
| Term End2: | 15 March 1996 |
| Primeminister2: | Gro Harlem Brundtland |
| Minister2: | Jan Henry T. Olsen |
| Office3: | Political advisor for the Ministry of Fisheries |
| Term Start3: | 1 October 1992 |
| Term End3: | 7 January 1994 |
| Primeminister3: | Gro Harlem Brundtland |
| Minister3: | Jan Henry T. Olsen |
| Birth Date: | 15 September 1956 |
| Birth Place: | Bodø, Norway |
Otto Gregussen (born 15 September 1956) is a Norwegian politician for the Labour Party. He was political advisor to the Minister of Fisheries 1992–1994, state secretary to the Minister of Fisheries 1994–1996, and Minister of Fisheries 2000–2001 in the first cabinet Stoltenberg.[1]