| Jeremy Vos | Homeschool Iowa | Supporting | GA91 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | 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 |
| Amy Campbell | Iowa Coalition Against Sexual Assault | Opposing | GA91 |
| Chloe Gayer | Iowa Coalition Against Sexual Assault | Opposing | GA91 |
| Craig Patterson | Iowa Coalition Against Sexual Assault | Opposing | GA91 |
| Jessica Seelinger | Iowa Coalition Against Sexual Assault | Opposing | GA91 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Supporting | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Opposing | GA91 |
| Amy Campbell | Iowa Library Association (ILA) | Opposing | GA91 |
| Chloe Gayer | Iowa Library Association (ILA) | Opposing | GA91 |
| Craig Patterson | Iowa Library Association (ILA) | Opposing | GA91 |
| Katherine Bogaards | Katherine Bogaards | Supporting | 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 |
| Jessica Seelinger | 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 |
| Harry Ehrlich | Protect My Innocence | Supporting | GA91 |
| Katherine Bogaards | Protect My Innocence | Supporting | GA91 |
| John Strathman | VALOR Iowa | Supporting | GA91 |