| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA88 |
| Sydney Gangestad | Everytown for Gun Safety Action Fund | Undecided | GA88 |
| Tim Coonan | Everytown for Gun Safety Action Fund | Undecided | GA88 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA88 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA88 |
| Eric Goranson | Iowa Association of Christian Schools | Undecided | GA88 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA88 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA88 |
| James Kersten | Iowa Association of Community College Trustees | Undecided | GA88 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA88 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA88 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA88 |
| Larry Murphy | Iowa Catholic Conference | Opposing | GA88 |
| Meghan Malloy | Iowa Catholic Conference | Opposing | GA88 |
| Tom Chapman | Iowa Catholic Conference | Opposing | GA88 |
| James Kersten | Iowa Central Community College | Undecided | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Gary Nims | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Rita Carter | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Sheila Corsbie | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA88 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Undecided | GA88 |
| Derek Drayer | Iowa Firearms Coalition, Inc. | Supporting | GA88 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA88 |
| Robert Ussery | Iowa Minuteman Civil Defense Corps | Supporting | GA88 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA88 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA88 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Opposing | GA88 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Withdrawn | GA88 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Supporting | GA88 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Opposing | GA88 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Withdrawn | GA88 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Supporting | GA88 |
| Bradley Hudson | Iowa State Education Association | Opposing | GA88 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA88 |
| Mike Heller | Iowa State Police Association | Undecided | GA88 |
| Paula Feltner | Iowa State Police Association | Undecided | GA88 |
| Amy Campbell | Iowa State Reserve Law Officers Association | Undecided | GA88 |
| Craig Patterson | Iowa State Reserve Law Officers Association | Undecided | GA88 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA88 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA88 |
| Scott Peterson | Iowans for Gun Safety | Opposing | GA88 |
| Scott Jones | National Rifle Association of America | Supporting | GA88 |
| Donna Orton | North Iowa Area Community College | Undecided | GA88 |
| Jesse Cickavage | Personal Interest-Jesse Cickavage | Supporting | GA88 |
| Terry Gladfelter | Professional Educators of Iowa | Withdrawn | GA88 |
| Terry Gladfelter | Professional Educators of Iowa | Undecided | GA88 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA88 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA88 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA88 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA88 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA88 |
| Steve Warnstadt | Western Iowa Tech Community College | Undecided | GA88 |