| Merv Jaffray | |
| Birth Name: | Mervyn William Rutherford Jaffray |
| Birth Date: | 18 January 1949 |
| Birth Place: | Dunedin, New Zealand |
| Ru Position: | Flanker Number 8 |
| Height: | 1.830NaN0 |
| Weight: | 90kg (200lb) |
| Repyears1: | 1976 |
| Repcaps1: | 0 |
| Reppoints1: | 0 |
| Ru Province1: | Otago |
| Ru Provinceyears1: | 1971–78 |
| Ru Provinceapps1: | 104 |
| Coachteams1: | Nelson Bays |
| Coachyears1: | 1980–82 |
| Relatives: | Lyn Jaffray (brother) |
| School: | Kaikorai Valley High School |
Mervyn William Rutherford Jaffray (born 18 January 1949) is a former New Zealand rugby union player. A back rower, Jaffray represented Otago at a provincial level, and was a member of the New Zealand national side, the All Blacks, on their 1976 tour to South America. He played four matches for the All Blacks but no full internationals.[1]