| 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 |
| Heather Ryan | Bitches Get Stuff Done | Opposing | GA91 |
| Heaven Chamberlain | Bitches Get Stuff Done | Opposing | GA91 |
| Anne Discher | Common Good Iowa | Opposing | GA91 |
| Mike Owen | Common Good Iowa | Opposing | GA91 |
| Sean Finn | Common Good Iowa | Opposing | GA91 |
| Sheila Hansen | Common Good Iowa | Opposing | GA91 |
| Andy Conlin | Do No Harm Action | Supporting | GA91 |
| Dennis Tibben | Do No Harm Action | Supporting | GA91 |
| Jeanie Smith | Episcopal Diocese of Iowa | Opposing | GA91 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA91 |
| Amber Williams | Inspired Life | Supporting | GA91 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA91 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA91 |
| Michelle Johnson | Iowa Association of School Boards | Undecided | GA91 |
| Jason Benell | Iowa Atheists and Freethinkers | Opposing | GA91 |
| Robert Cook | Iowa Atheists and Freethinkers | Opposing | GA91 |
| Brad Cranston | Iowa Baptists For Biblical Values | Supporting | GA91 |
| Seth Brown | Iowa Chapter-American Academy of Pediatrics | Undecided | GA91 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA91 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Opposing | GA91 |
| Emily Piper | Iowa Mental Health Counselors Association | Opposing | GA91 |
| Becky Tayler | Iowa Safe Schools | Opposing | GA91 |
| Damian Thompson | Iowa Safe Schools | Opposing | GA91 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA91 |
| Morgan Miller | Iowa State Education Association | Opposing | GA91 |
| Mike Heller | Iowa Talented and Gifted Association | Undecided | GA91 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA91 |
| Chloe Gayer | League of Women Voters of Iowa | Opposing | GA91 |
| Craig Patterson | League of Women Voters of Iowa | 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 |
| Evelyn Nikkel | PELLA PAC | Supporting | GA91 |
| Rick Phillips | PELLA PAC | Supporting | GA91 |
| Mazie Stilwell | Planned Parenthood Advocates of Iowa | Opposing | GA91 |
| Nathaniel Arnold | Professional Educators of Iowa | Supporting | GA91 |
| Anita Fischer | Protect My Innocence | Supporting | GA91 |
| Harry Ehrlich | Protect My Innocence | Supporting | GA91 |
| Rick Phillips | Protect My Innocence | Supporting | GA91 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA91 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA91 |
| Dave Daughton | School Administrators of Iowa | Opposing | GA91 |
| Chuck Hurley | The Family Leader | Supporting | GA91 |
| Danny Carroll | The Family Leader | Supporting | GA91 |
| Josiah Oleson | 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 |
| Josiah Oleson | 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 |