| Career - On-Base Percentage | |||
| Rk | Player Name | Totals | |
| 1 | Mark McGwire | 0.420 | |
| 2 | Jim Thome | 0.406 | |
| 3 | Rickey Henderson | 0.405 | |
| 4 | Brian Giles | 0.402 | |
| 5 | Dave Hansen | 0.402 | |
| 6 | Brett Butler | 0.398 | |
| 7 | Kenny Lofton | 0.397 | |
| 8 | Tony Fernandez | 0.392 | |
| 9 | Luis Guillorme | 0.384 | |
| 10 | Wally Joyner | 0.382 | |
| 11 | Carlos Delgado | 0.376 | |
| 12 | Kent Hrbek | 0.370 | |
| 13 | Paul Goldschmidt | 0.370 | |
| 14 | Moises Alou | 0.356 | |
| 15 | Dustin Pedroia | 0.354 | |
| 16 | Harold Reynolds | 0.352 | |
| 17 | Johnny Damon | 0.349 | |
| 18 | Cliff Floyd | 0.346 | |
| 19 | Shin-Soo Choo | 0.342 | |
| 20 | Billy Butler | 0.339 | |
| 21 | Luis Gonzalez | 0.337 | |
| 22 | Vernon Wells | 0.335 | |
| 23 | Morgan Ensberg | 0.334 | |
| 24 | Marwin Gonzalez | 0.334 | |
| 25 | Rafael Furcal | 0.331 | |
| Single Season - On-Base Percentage | |||||
| Rk | Player Name | Totals | Year | ||
| 1 | Rickey Henderson | 0.472 | 1991 | ||
| 2 | Kent Hrbek | 0.464 | 1994 | ||
| 3 | Kenny Lofton | 0.448 | 1994 | ||
| 4 | MARK McGWIRE | 0.439 | 1996 | ||
| 5 | Rick Wilkins | 0.439 | 1994 | ||
| 6 | MARK McGWIRE | 0.438 | 2001 | ||
| 7 | Jim Thome | 0.438 | 1997 | ||
| 8 | Jim Thome | 0.433 | 1999 | ||
| 9 | Carlos Delgado | 0.429 | 2004 | ||
| 10 | Mark McGwire | 0.427 | 1999 | ||
| 11 | Harold Reynolds | 0.422 | 1994 | ||
| 12 | Kent Hrbek | 0.419 | 1991 | ||
| 13 | Brian Giles | 0.418 | 2000 | ||
| 14 | Brian Giles | 0.415 | 2001 | ||
| 15 | Brett Butler | 0.414 | 1991 | ||
| 16 | Jim Thome | 0.414 | 1998 | ||
| 17 | Mark McGwire | 0.412 | 2000 | ||
| 18 | Kenny Lofton | 0.411 | 1998 | ||
| 19 | Tony Fernandez | 0.409 | 2000 | ||
| 20 | Luis Guillorme | 0.409 | 2021 | ||
| 21 | Moises Alou | 0.403 | 1994 | ||
| 22 | Jim Thome | 0.400 | 1996 | ||
| 23 | Marwin Gonzalez | 0.400 | 2018 | ||
| 24 | Luis Guillorme | 0.400 | 2023 | ||
| 25 | Jack Cust | 0.399 | 2008 | ||