List of Baltimore Orioles pitchers with the most walks
| Rank | Player Name | BBs |
| 1 | Jim Palmer | 1,311 |
| 2 | Dave McNally | 790 |
| 3 | Mike Flanagan | 740 |
| 4 | Steve Barber | 668 |
| 5 | Dixie Davis | 640 |
| 6 | Elam Vangilder | 625 |
| 7 | Mike Cuellar | 601 |
| 8 | Dennis Martinez | 583 |
| 9 | Milt Pappas | 531 |
| 10 | Barney Pelty | 522 |
| 11 | Scott McGregor | 518 |
| 12 | Jack Kramer | 506 |
| 13 | Jack Powell | 486 |
| 14 | Earl Hamilton | 478 |
| 15 | Mike Mussina | 467 |
| 16 | Sidney Ponson | 465 |
| 17 | Ned Garver | 456 |
| 18 | Scott Erickson | 446 |
| 19 | Mike Boddicker | 444 |
| 20 | George Blaeholder | 439 |
| 21 | Sammy Stewart | 433 |
| 22 | Bump Hadley | 431 |
| 23 | Carl Weilman | 418 |
| 24 | Bobo Newsom | 411 |
| 25 | Urban Shocker | 409 |
