| Peter Eastgate | |
| Birth Name: | Barry Peter Eastgate |
| Birth Date: | 10 July 1927 |
| Birth Place: | Nelson, New Zealand |
| Death Place: | Christchurch, New Zealand |
| Ru Position: | Prop |
| Height: | 1.78 m |
| Weight: | 91 kg |
| Repyears1: | 1952–1954 |
| Repcaps1: | 3 |
| Reppoints1: | 0 |
| Provinceyears1: | 1947–1948 |
| Provinceyears2: | 1949–1954 |
| Occupation: | Scrap metal dealer |
Barry Peter Eastgate (10 July 1927 – 15 December 2007) was a New Zealand rugby union player. A prop, Eastgate represented and at a provincial level, and was a member of the New Zealand national side, the All Blacks, from 1952 to 1954. He played 17 matches for the All Blacks including three internationals.[1]