| Commencement Speakers |
| 1995 to present |
| Semester | Year | Graduate Commencement Ceremony | Undergraduate Commencement Ceremony | | Combined Commencement Ceremony |
| Spring | 1995 | Bruce Harmon | Stanley Johnson | | |
| Summer | 1995 | | | | George Burnet |
| Fall | 1995 | William Lord | Richard Stanley | | |
| |
| Spring | 1996 | Camilla Benbow | Stanley Howe | | |
| Summer | 1996 | | | | William Woodman |
| Fall | 1996 | Walter Fehr | Richard McCormick | | |
| |
| Spring | 1997 | James Roth | Simon Estes | | |
| Summer | 1997 | | | | William Woodman |
| Fall | 1997 | Neal Bowers | Richard Jacobson | | |
| |
| Spring | 1998 | Gary Wells | Federico Mayor | | |
| Summer | 1998 | | | | Edwin Lewis |
| Fall | 1998 | Donald Bietz | Terry Brandstad | | |
| |
| Spring | 1999 | Max Rothchild | Christina Hixson | | |
| Summer | 1999 | | | | Richard Seagrave |
| Fall | 1999 | Lloyd Anderson | Dean Ulrichson | | |
| |
| Spring | 2000 | Dennis Johnson | John Atansoff II | | |
| Summer | 2000 | | | | Richard Seagrave |
| Fall | 2000 | Richard Seagrave | Jean Marie Dubois | | |
| |
| Spring | 2001 | Keith Yamamoto | Richard Seagrave | | |
| Summer | 2001 | | | | Gregory Geoffroy |
| Fall | 2001 | Gregory Geoffroy | Gregory Geoffroy | | |
| |
| Spring | 2002 | Gregory Geoffroy | Gregory Geoffroy | | |
| Summer | 2002 | | | | Gregory Geoffroy |
| Fall | 2002 | Mary Swander | Thomas Sutherland | | |
| |
| Spring | 2003 | Stanley Johnson | Thomas Vilsack | | |
| Summer | 2003 | | | | Lauro Cavazos |
| Fall | 2003 | Patricia Ann Thiel | Joanne Bubolz Eicher | | |
| |
| Spring | 2004 | Thomas Barton | John Pappajohn | | |
| Summer | 2004 | | | | James Melsa |
| Fall | 2004 | Catherine Woteki | John Forsyth | | |
| |
| Spring | 2005 | R. Bruce Thompson | Roberta Green Ahmanson | | |
| Summer | 2005 | | | | Michael Gartner |
| Fall | 2005 | Neil Nakadate | Sally Pederson | | |
| |
| Spring | 2006 | Pamela White | Vance Coffman | | |
| Summer | 2006 | | | | Graham Spanier |
| Fall | 2006 | James Bloedel | Robert Ray | | |
| |
| Spring | 2007 | Diane Feickert Birt | Robert Byron Bird | | |
| Summer | 2007 | | | | Raymond Orbach |
| Fall | 2007 | Karl Gschneidner | Chet Culver | | |
| |
| Spring | 2008 | Sedahlia Jasper Crase | Michael Crow | | |
| Summer | 2008 | | | | David Miles |
| Fall | 2008 | Ted Okiishi | Kenneth Quinn | | |
| |
| Spring | 2009 | Carolyn Cutrona | Clayton Anderson | | |
| Summer | 2009 | | | | Patty Judge |
| Fall | 2009 | Joseph Sebranek | M. Patricia Quinlisk | | |
| |
| Spring | 2010 | John Schuh | Jonathan Rich | | |
| Fall | 2010 | | | | Richard Jurgens |
| |
| Spring | 2011 | Sharon Quisenberry | Robert Shelton | | |
| Fall | 2011 | | | | Benjamin Allen |
| |
| Spring | 2012 | Labh Hira | Craig Lang | | |
| Fall | 2012 | | | | Kim Reynolds |
| |
| Spring | 2013 | Carol Chapelle | Christine Romans | | |
| Fall | 2013 | | | | Peggy Whitson |
| |
| Spring | 2014 | Jonathan Wendel | Patrick JDoherty | | |
| Fall | 2014 | | | | Stephen Rapp |
| |
| Spring | 2015 | Susan Lamont | Bruce Rastetter | | |
| Fall | 2015 | | | | DeAnne Julius |
| |
| Spring | 2016 | Dan Nettleton | Ernest Moniz | | |
| Fall | 2016 | | | | Joni Ernst |
| |
| Spring | 2017 | Catherine Kling | Dennis Muilenburg | | |
| Fall | 2017 | Anumantha Kanthasamy | Kevin Cooney | | |
| |
| Spring | 2018 | Alicia Carriquiry | Morning: President Wintersteen delivered expanded remarks | | |
| | Morning: Mack Shelley delivered brief remarks about Dwight Ink (Honorary Degree Recipient) | | |
| | Afternoon: President Wintersteen delivered expanded remarks | | |
| | Afternoon: Jon Kinzenbaw | | |
| Fall | 2018 | James McShay | Theaster Gates | | |
| |
| Spring | 2019 | Debra Stewart | Morning: Robert Easter | | |
| | | | Afternoon: Simon Estes | | |
| Fall | 2019 | Jose Antonio Rosa | Daniel Houston | | |
| |
| Spring | 2020 | President Wintersteen | President Wintersteen | | |
| Fall | 2020 | Ann Marie Fiore | David J. Kingland | | |
| |
| Spring | 2021 | President Wintersteen | President Wintersteen | | |
| |
| October | 2021 | | | | Charles Sukup |
| |
| Fall | 2021 | Lisa Schulte Moore | Cara Heiden | | |
| |
| Spring | 2022 | Qijing Zhang | Morning: Beth Ford | | |
| | | | Afternoon: Subra Suresh | | |
| | | | Evening: President Wintersteen | | |
| | | | | | |
| Fall | 2022 | Beate Schmittmann | Suku Radia | | |
| | | | | | |
| Spring | 2023 | Kevin Schalinske | Morning: Temple Grandin | | |
| | | | Afternoon: Jahmy Hindman | | |
| | | | Evening: Trudy Huskamp Peterson | | |
| | | | | | |
| Fall | 2023 | Adam Schwartz | Ruki Neuhold-Ravikumar | | |