| Steinar Johannessen | |
| Fullname: | Håkon Steinar Engh Johannessen |
| Birth Date: | 1 January 1936 |
| Birth Place: | Lillehammer, Norway |
| Position: | forward |
| Years1: | 1958–1966 |
| Clubs1: | Frigg |
| Nationalyears1: | 1957–1958 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 1963–1964 |
| Nationalcaps2: | 3 |
| Nationalgoals2: | 1 |
| Nationalyears4: | 1959–1960 |
| Nationalcaps4: | 2 |
| Nationalgoals4: | 0 |
| Managerclubs1: | Frigg |
| Manageryears2: | 1969–1970 |
| Managerclubs2: | Lillestrøm |
| Manageryears3: | 1971 |
| Managerclubs3: | Strømsgodset |
Håkon Steinar Engh Johannessen (1 January 1936 – 30 July 2019) was a Norwegian football striker and later manager.
He played for Frigg between 1958 and 1966, becoming cup runner-up in 1965. He represented Norway as an under-21, B and senior international.