| Career - Walks | |||
| Rk | Player Name | Totals | |
| 1 | Jake Peavy | 665 | |
| 2 | Tom Glavine | 532 | |
| 3 | Adam Wainwright | 479 | |
| 4 | Tyler Glasnow | 320 | |
| 5 | Jameson Taillon | 287 | |
| 6 | Al Leiter | 284 | |
| 7 | Charles Nagy | 276 | |
| 8 | Kevin Brown | 210 | |
| 9 | J.A. Happ | 203 | |
| 10 | Garrett Richards | 190 | |
| 11 | Jarrod Washburn | 185 | |
| 12 | Eric Milton | 184 | |
| 13 | Kris Benson | 176 | |
| 14 | Frankie Montas | 168 | |
| 15 | Eric Plunk | 160 | |
| 16 | Francisco Rodriguez | 156 | |
| 17 | Armando Benitez | 135 | |
| 18 | Brad Penny | 131 | |
| 19 | Matt Garza | 118 | |
| 20 | Hideki Irabu | 117 | |
| 21 | Zack Greinke | 109 | |
| 22 | Jeff Weaver | 106 | |
| 23 | Jaime Garcia | 106 | |
| 24 | Zach Britton | 104 | |
| 25 | Michael Pineda | 104 | |
| Single Season - Walks | |||||
| Rk | Player Name | Totals | Year | ||
| 1 | Al Leiter | 145 | 1997 | ||
| 2 | Tom Glavine | 99 | 1999 | ||
| 3 | Vincent Velasquez | 99 | 2018 | ||
| 4 | Tom Glavine | 96 | 1997 | ||
| 5 | Luke Hudson | 95 | 2005 | ||
| 6 | Kris Benson | 92 | 2001 | ||
| 7 | Kevin Gross | 91 | 1994 | ||
| 8 | Kevin Brown | 88 | 2002 | ||
| 9 | Tom Glavine | 88 | 1994 | ||
| 10 | Charles Nagy | 86 | 1998 | ||
| 11 | Tom Bolton | 86 | 1994 | ||
| 12 | Eric Plunk | 86 | 1995 | ||
| 13 | Jake Peavy | 86 | 2008 | ||
| 14 | Kris Benson | 84 | 2000 | ||
| 15 | Jake Peavy | 83 | 2004 | ||
| 16 | J.A. Happ | 82 | 2010 | ||
| 17 | Tom Glavine | 81 | 1995 | ||
| 18 | Trevor Cahill | 80 | 2018 | ||
| 19 | Michael Lorenzen | 80 | 2023 | ||
| 20 | Bobby Witt | 79 | 1997 | ||
| 21 | Tom Glavine | 78 | 1998 | ||
| 22 | Jake Peavy | 78 | 2010 | ||
| 23 | Jose Rosado | 77 | 2000 | ||
| 24 | Tyler Glasnow | 77 | 2021 | ||
| 25 | Hideki Irabu | 75 | 1998 | ||