Dennis Gamsy (born 17 February 1940 in Glenwood, Natal) is a former South African cricketer who played in two Tests as a wicketkeeper in 1970 against Australia.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Wickets | Bowl Avg | Best Bowling | Catches/St |
| Tests | 2 | 39 | 19.50 | 0/0 | 30* | – | – | – | 5/- |
| First-class | 93 | 3106 | 23.70 | 2/18 | 137 | – | – | – | 278/33 |
