| Melissa Speed | AFSCME Council 61 | Opposing | GA91 |
| Becca Eastwood | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA91 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA91 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA91 |
| Clair Lewis | Area Education Agencies of Iowa | Undecided | GA91 |
| Kate Walton | Area Education Agencies of Iowa | Undecided | GA91 |
| Matt Eide | Area Education Agencies of Iowa | Undecided | GA91 |
| Heather Ryan | Bitches Get Stuff Done | Opposing | GA91 |
| Heaven Chamberlain | Bitches Get Stuff Done | Opposing | GA91 |
| Andy Conlin | Do No Harm Action | Withdrawn | GA91 |
| Andy Conlin | Do No Harm Action | Supporting | GA91 |
| Dennis Tibben | Do No Harm Action | Withdrawn | GA91 |
| Dennis Tibben | Do No Harm Action | Supporting | GA91 |
| Jeanie Smith | Episcopal Diocese of Iowa | Opposing | GA91 |
| Paul Gennett | Episcopal Diocese of Iowa | Opposing | GA91 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA91 |
| Jeremy Vos | Homeschool Iowa | Supporting | GA91 |
| Amber Williams | Inspired Life | Supporting | GA91 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA91 |
| Andrea Dencklau | Iowa ACEs 360 | Opposing | GA91 |
| Lisa Cushatt | Iowa ACEs 360 | Opposing | GA91 |
| MaryNelle Trefz | Iowa ACEs 360 | Opposing | GA91 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA91 |
| Michelle Johnson | Iowa Association of School Boards | Undecided | GA91 |
| Robert Cook | Iowa Atheists and Freethinkers | Opposing | GA91 |
| Matthew Covington | Iowa Citizens for Community Improvement Action Fund | Opposing | GA91 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA91 |
| Jeffrey Anderson | Iowa Conference of the United Methodist Church | Opposing | GA91 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Opposing | GA91 |
| Robert Ussery | Iowa Minuteman Civil Defense Corps | Supporting | GA91 |
| Damian Thompson | Iowa Safe Schools | Opposing | GA91 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA91 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA91 |
| Jim Carney | Iowa State Bar Association | Undecided | GA91 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA91 |
| Keenan Crow | One Iowa | Opposing | GA91 |
| Maxwell Mowitz | One Iowa | Opposing | GA91 |
| Keenan Crow | One Iowa Action | Opposing | GA91 |
| Maxwell Mowitz | One Iowa Action | Opposing | GA91 |
| Kyrstin Delagardelle | Planned Parenthood Advocates of Iowa | Opposing | GA91 |
| Nathaniel Arnold | Professional Educators of Iowa | Undecided | GA91 |
| Anita Fischer | Protect My Innocence | Supporting | GA91 |
| Katherine Bogaards | Protect My Innocence | Supporting | GA91 |
| Rick Phillips | Protect My Innocence | Supporting | GA91 |
| Rick Phillips | Rick Phillips | Supporting | GA91 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA91 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA91 |
| Dave Daughton | School Administrators of Iowa | Undecided | GA91 |
| Zayden Reffitt | Siouxland Bitches Get Stuff Done | Opposing | GA91 |
| Chuck Hurley | The Family Leader | Supporting | GA91 |
| Danny Carroll | The Family Leader | Supporting | GA91 |
| Ryan Benn | The Family Leader | Supporting | GA91 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA91 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA91 |
| Ryan Benn | The Family Leader Foundation | Supporting | GA91 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA91 |
| John Strathman | VALOR Iowa | Supporting | GA91 |