| Lyn Davis | |
| Birth Name: | Lyndon John Davis |
| Birth Date: | 22 December 1943 |
| Birth Place: | Christchurch, New Zealand |
| Death Place: | Christchurch, New Zealand |
| Ru Position: | Halfback |
| Height: | 1.80NaN0 |
| Weight: | 83kg (183lb) |
| Repyears1: | 1976–77 |
| Repcaps1: | 3 |
| Reppoints1: | 0 |
| Ru Province1: | Canterbury |
| Ru Provinceyears1: | 1964–77 |
| Ru Provinceapps1: | 167 |
| Occupation: | Market gardener |
| School: | Cashmere High School |
Lyndon John "Lyn" Davis (22 December 1943 – 27 June 2008) was a New Zealand rugby union player. A halfback, Davis represented Canterbury at a provincial level, and was a member of the New Zealand national side, the All Blacks, from 1976 to 1977. He played 16 matches for the All Blacks including three internationals.[1]