Peter Rudolph Carlstein (28 October 1938 – 12 October 2023) was a South African cricketer who played as a middle-order batsman in eight Test matches from 1958 to 1964.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Wickets | Bowl Avg | Best Bowling | Catches/St |
| Test | 8 | 190 | 14.61 | 0 | 42 | – | – | – | 3/– |
| FC | 148 | 7,554 | 31.60 | 9/46 | 229 | 9 | 53.33 | 3/37 | 82/– |
| LA | 14 | 369 | 36.90 | 1/0 | 167* | – | – | – | 0/– |