| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA88 |
| Sydney Gangestad | Everytown for Gun Safety Action Fund | Opposing | GA88 |
| Tim Coonan | Everytown for Gun Safety Action Fund | Opposing | GA88 |
| Charlotte Eby | Giffords | Opposing | GA88 |
| Taylor McDonald | Giffords | Opposing | GA88 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA88 |
| Larry Murphy | Iowa Catholic Conference | Opposing | GA88 |
| Meghan Malloy | Iowa Catholic Conference | Opposing | GA88 |
| Tom Chapman | Iowa Catholic Conference | Opposing | GA88 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | 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 |
| William Steward | 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 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA88 |
| Cyndi Pederson | Iowa Fraternal Order of Police | Undecided | GA88 |
| John Pederson | Iowa Fraternal Order of Police | Undecided | GA88 |
| Aaron Dorr | Iowa Gun Owners | Supporting | GA88 |
| Robert Ussery | Iowa Minuteman Civil Defense Corps | Supporting | GA88 |
| Karl Schilling | Iowa Organization for Victim Assistance | Opposing | 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) | Undecided | GA88 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Bradley Hudson | Iowa State Education Association | Opposing | GA88 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA88 |
| Mike Heller | Iowa State Police Association | Supporting | GA88 |
| Mike Heller | Iowa State Police Association | Undecided | GA88 |
| Paula Feltner | Iowa State Police Association | Supporting | GA88 |
| Paula Feltner | Iowa State Police Association | Undecided | GA88 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA88 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA88 |
| Jeremy Brigham | Iowans for Gun Safety | Opposing | GA88 |
| Jozef Figa | Iowans for Gun Safety | Opposing | GA88 |
| Scott Peterson | Iowans for Gun Safety | Opposing | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA88 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA88 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA88 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA88 |
| Scott Jones | National Rifle Association of America | Supporting | GA88 |
| Jocelyn Fry | Personal Interest - Jocelyn Fry | Supporting | GA88 |
| Jesse Cickavage | Personal Interest-Jesse Cickavage | Supporting | GA88 |
| Erin Davison-Rippey | Planned Parenthood Advocates of Iowa | Opposing | GA88 |
| Jamie Burch | Planned Parenthood Advocates of Iowa | Opposing | GA88 |
| Erin Davison-Rippey | Planned Parenthood North Central States | Opposing | GA88 |
| Jamie Burch | Planned Parenthood North Central States | Opposing | GA88 |