| Blair Larsen | |
| Birth Name: | Blair Peter Larsen |
| Birth Date: | 20 January 1969 |
| Birth Place: | Takapuna, New Zealand |
| Position: | Lock Flanker |
| Height: | 1.980NaN0 |
| Weight: | 107kg (236lb) |
| Repcaps1: | 17 |
| Reppoints1: | 4 |
| Repyears1: | 1992–96 |
| Province1: | North Harbour |
| Province2: | Northland |
| Provinceyears1: | 1991–97, 2003 |
| Provinceyears2: | 1998 |
| Provinceapps2: | 8 |
| Superyears1: | 1996–98 |
| Superapps1: | 23 |
| Clubs1: | Kobelco Steelers |
| Years1: | 1998–2002 |
| Occupation: | Police officer Rugby union coach |
| School: | Rosmini College |
Blair Peter Larsen (born 20 January 1969) is a former New Zealand rugby union player. A lock and flanker, Larsen represented North Harbour and Northland at a provincial level and the in Super Rugby. He was a member of the New Zealand national side, the All Blacks, from 1992 to 1996, playing 40 matches including 17 internationals.[1]