Cyrus Gerald Ainsworth (4 August 1888 – 20 February 1940) was an English first-class cricketer. Ainsworth's batting style is unknown. He was born at Bury, Greater Manchester.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Wickets | Bowl Avg | Best Bowling | Catches/St |
| First-class | 1 | 77 | 38.50 | –/1 | 71 | – | – | – | –/– |
