Arthur Henry Seymour Casswell (8 October 1892 – 29 October 1940) was an English first-class cricketer and an officer in the Royal Navy and the Royal Naval Air Service.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Bowl Avg | Best Bowling | Catches/St |
| First-class | 1 | 7 | 7.00 | –/– | 7* | – | – | 1/– |
