Here are the IWU Titans all-time rebounds leaders.
| 1. 1405 | Jack Sikma (107 games) – 1973-77 | |
| 2. 1069 | Sheldon Thompson (101 games) – 1967-71 | |
| 3. 1068 | Greg Yess (107 games) – 1978-82 | |
| 4. 819 | Zach Freeman (274o-545d) – 2003-07 | |
| 5. 793 | Ken Lock (93 games) – 1962-66 | |
| 6. 750 | Keith Luechtefeld (108 games) – 1983-87 | |
| 7. 718 | Blaise Bugajski (103 games) – 1979-80,81-84 | |
| 8. 709 | John Lipic (242o-467d) – 1990-94 | |
| 9. 702 | Luke Kasten (186o-516d) – 1999-03 | |
| 10. 624 | Chris Simich (180o-444d) – 1992-96 | |
| 624 | Brian Coderre (111 games) – 1984-88 | |
| 12. 598 | Matthew Leritz (144o-454d) – 2018-22 | |
| 13. 592 | Jeff Kuehl (85o-507d) – 1986-90 | |
| 14. 585 | Bryan Crabtree (189o-396d) – 1993-97 | |
| 15. 580 | Doug Sexauer (150o-430d) – 2007-11 | |
| 16. 576 | Tom Baffes (107 games) – 1981-85 | |
| 17. 568 | Jerry Wisted (97 games) – 1959-63 | |
| 18. 536 | John Gibson (97 games) – 1968-72 | |
| 19. 522 | Victor Davis (154o-368d) – 2010-14 | |
| 20. 521 | John Camardella (193o-328d) – 1999-03 | |
| 521 | Cody Mitchell (150o-371d) – 2019-23 | |
| 22. 516 | Dennis Kagel (94 games) – 1965-69 | |
| 516 | Andrew Ziemnik (168o-348d) – 2010-14 | |
| 24. 509 | Dean Gravlin (81 games) – 1969-73 | |
| 25. 503 | Chris Eldredge (114 games) – 1974-78 | |
| 26. 491 | Steve Laub (102 games) – 1963-67 | |
| 27. 482 | Brent Niebrugge (186o-296d) – 1994-98 | |
| 28. 478 | Trevor Seibring (153o-325d) – 2013-17 | |
| 29. 468 | John Lenahan (69 games) – 1974-77 | |
| 30. 458 | Bob Spear (115 games) – 1973-77 | |
| 31. 455 | David Caldwell (126o-329d) – 1987-91 | |
| 32. 451 | Stan Broers (102 games) – 1968-72 | |
| 33. 450 | Andy Boyden (105o-345d) – 1994-99 | |
| 34. 439 | Jamie Shouba (64 games) – 1963-66 | |
| 35. 438 | David Kunka (141o-297d) – 1988-91,92-93 | |
| 36. 433 | Charlie Bair (142o-291d) – 2017-21 | |
| 37. 432 | Mark Edmundson (65o-367d) – 1986-90 | |
| 38. 429 | Curt Nord (119o-310d) – 1970-74 | |
| 429 | Seth Hubbard (158o-271d) – 1999-03 | |
| 40. 420 | Keelan Amelianovich (69o-351d) – 2002-06 | |
| 41. 416 | Steve Kuehl (153o-263d) – 1989-93 | |
| 42. 415 | Larry Lessen (112 games) – 1984-88 | |
| 43. 414 | Cory Jones (135o-279d) – 2002-06 | |
| 44. 411 | Alec Bausch (94o-317d) – 2014-17 | |
| 45. 405 | Kevin Reed (136o-269d) – 2009-13 | |
| 46. 403 | Bruce Foote (108 games) – 1972-76 | |
| 47. 398 | Darius Gant (156o-242d) – 2004-08 | |
| 48. 394 | Brad Musselman (80 games) – 1979-82 | |
| 49. 388 | Nathan Hubbard (83o-305d) – 1995-99 | |
| 50. 386 | John Koschnitzky (130o-256d) – 2008-12 |
