| Jeremy Vos | Homeschool Iowa | Opposing | GA91 |
| Jason Benell | Iowa Atheists and Freethinkers | Supporting | GA91 |
| Robert Cook | Iowa Atheists and Freethinkers | Supporting | GA91 |
| Brad Cranston | Iowa Baptists For Biblical Values | Opposing | GA91 |
| David Adelman | Iowa Biotechnology Association | Undecided | GA91 |
| Frank Chiodo | Iowa Biotechnology Association | Undecided | GA91 |
| Matt Hinch | Iowa Biotechnology Association | Undecided | GA91 |
| Paige Thorson | Iowa Biotechnology Association | Undecided | GA91 |
| Sara Allen | Iowa Biotechnology Association | Undecided | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Supporting | GA91 |
| Amy Campbell | League of Women Voters of Iowa | Supporting | GA91 |
| Chloe Gayer | League of Women Voters of Iowa | Supporting | GA91 |
| Craig Patterson | League of Women Voters of Iowa | Supporting | GA91 |
| Keenan Crow | One Iowa | Supporting | GA91 |
| Maxwell Mowitz | One Iowa | Supporting | GA91 |
| Keenan Crow | One Iowa Action | Supporting | GA91 |
| Maxwell Mowitz | One Iowa Action | Supporting | GA91 |
| Dave Daughton | Rural School Advocates of Iowa | Supporting | GA91 |
| Margaret Buckton | Rural School Advocates of Iowa | Supporting | GA91 |
| Dave Daughton | School Administrators of Iowa | Supporting | GA91 |
| Chuck Hurley | The Family Leader | Opposing | GA91 |
| Danny Carroll | The Family Leader | Opposing | GA91 |
| Josiah Oleson | The Family Leader | Opposing | GA91 |
| Ryan Benn | The Family Leader | Opposing | GA91 |
| Chuck Hurley | The Family Leader Foundation | Opposing | GA91 |
| Danny Carroll | The Family Leader Foundation | Opposing | GA91 |
| Josiah Oleson | The Family Leader Foundation | Opposing | GA91 |
| Ryan Benn | The Family Leader Foundation | Opposing | GA91 |
| Margaret Buckton | Urban Education Network of Iowa | Supporting | GA91 |