Dirk Isaac de Villiers (20 July 1889 – 1 October 1958) was a South African rugby union international and first-class cricketer active in the 1910s and 1920s. He was a lawyer by profession.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Wickets | Bowl Avg | Best Bowling | Catches/St |
| First-class | 20 | 1,364 | 41.33 | 3/7 | 200* | 29 | 32.79 | 5/44 | 18/– |
