| Melissa Speed | AFSCME Iowa Council 61 | Opposing | GA90 |
| Dane Schumann | American College of Obstetricians & Gynecologists | Opposing | GA90 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA90 |
| Angela Caulk | Family Planning Council of Iowa | Opposing | GA90 |
| Christian Frankl | Family Planning Council of Iowa | Opposing | GA90 |
| Noah Tabor | Family Planning Council of Iowa | Opposing | GA90 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA90 |
| Eric Goranson | Iowa Association of Christian Schools | Undecided | GA90 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA90 |
| Michelle Johnson | Iowa Association of School Boards | Opposing | GA90 |
| Jason Benell | Iowa Atheists and Freethinkers | Opposing | GA90 |
| Robert Cook | Iowa Atheists and Freethinkers | Opposing | GA90 |
| Brad Cranston | Iowa Baptists For Biblical Values | Supporting | GA90 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA90 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA90 |
| Carrie Malone | Iowa Department of Health and Human Services | Undecided | GA90 |
| Nick Crawford | Iowa Department of Health and Human Services | Undecided | GA90 |
| Sonya Streit | Iowa Department of Health and Human Services | Undecided | GA90 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA90 |
| John Strathman | Iowa Right to Life Committee | Supporting | GA90 |
| Kristi Judkins | Iowa Right to Life Committee | Withdrawn | GA90 |
| Kristi Judkins | Iowa Right to Life Committee | Supporting | GA90 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA90 |
| Morgan Miller | Iowa State Education Association | Opposing | GA90 |
| Jake Ketzner | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA90 |
| Marc Beltrame | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA90 |
| Nick Boeyink | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA90 |
| Stacie Maass | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA90 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA90 |
| Chloe Gayer | League of Women Voters of Iowa | Opposing | GA90 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA90 |
| Mazie Stilwell | Planned Parenthood Advocates of Iowa | Opposing | GA90 |
| Maggie DeWitte | Pulse Life Advocates | Supporting | GA90 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA90 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA90 |
| Dave Daughton | School Administrators of Iowa | Opposing | GA90 |
| Chuck Hurley | The Family Leader | Supporting | GA90 |
| Danny Carroll | The Family Leader | Supporting | GA90 |
| Ryan Benn | The Family Leader | Supporting | GA90 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA90 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA90 |
| Denise Bubeck | The Family Leader Foundation | Supporting | GA90 |
| Greg Baker | The Family Leader Foundation | Supporting | GA90 |
| Noah Meyers | The Family Leader Foundation | Supporting | GA90 |
| Ryan Benn | The Family Leader Foundation | Supporting | GA90 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA90 |
| John Strathman | VALOR Iowa | Supporting | GA90 |