William Gerald Rainbird (9 April 1916 – 27 September 1997) was a New Zealand cricketer who played first-class cricket for Wellington from 1935 to 1946.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Bowl Avg | Best Bowling | Catches/St |
| First-class | 10 | 492 | 25.89 | 1/2 | 102 | – | – | 5/– |
