| Paul McGahan | |
| Birth Name: | Paul William McGahan |
| Birth Date: | 12 October 1964 |
| Birth Place: | Pukekohe, New Zealand |
| Position: | Halfback |
| Repcaps1: | 0 |
| Reppoints1: | 0 |
| Repyears1: | 1990–91 |
| Province1: | Counties |
| Province2: | North Harbour |
| Provinceyears1: | 1985 |
| Provinceyears2: | 1986–92 |
| Provinceapps1: | 3 |
| Provinceapps2: | 68 |
| Clubs1: | World Fighting Bull |
| Years1: | 1992–98 |
| Occupation: | Real estate agent |
| School: | Tuakau College |
Paul William McGahan (born 12 October 1964) is a former New Zealand rugby union player. A halfback, McGahan represented Counties and North Harbour at a provincial level and was a member of the New Zealand national side, the All Blacks, in 1990 and 1991. He played six matches for the All Blacks but did not gain a test cap.[1]