| Melissa Speed | AFSCME Iowa Council 61 | Opposing | GA90 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Dane Schumann | American College of Obstetricians & Gynecologists | Opposing | GA90 |
| Stacy Frelund | American Heart Association | Undecided | GA90 |
| Mike Owen | Common Good Iowa | Opposing | GA90 |
| Natalie Veldhouse | Common Good Iowa | Opposing | GA90 |
| Sean Finn | Common Good Iowa | Opposing | GA90 |
| Sheila Hansen | Common Good Iowa | Opposing | GA90 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA90 |
| Patrick Purtill | Faith & Freedom Coalition | Supporting | GA90 |
| Angela Caulk | Family Planning Council of Iowa | Opposing | GA90 |
| Noah Tabor | Family Planning Council of Iowa | Opposing | GA90 |
| John Aspray | Food & Water Watch | Opposing | GA90 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA90 |
| Sonia Bell | Iowa Academy of Family Physicians | Opposing | GA90 |
| Sara Eide | Iowa Catholic Conference | Supporting | GA90 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA90 |
| Phil Jeneary | Iowa Chapter-American Academy of Pediatrics | Opposing | GA90 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA90 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA90 |
| Kate Walton | Iowa Medical Society | Opposing | GA90 |
| Phil Jeneary | Iowa Medical Society | Opposing | GA90 |
| Robert Ussery | Iowa Minuteman Civil Defense Corps | Supporting | GA90 |
| Lina Tucker Reinders | Iowa Public Health Association | Opposing | GA90 |
| Taylor McDonald | Iowa Public Health Association | Opposing | GA90 |
| Katherine Bogaards | Katherine Bogaards | Supporting | GA90 |
| James Lamb | Lutheran Family Service | Supporting | GA90 |
| Kimberly Laube | Lutheran Family Service | Supporting | GA90 |
| Denise Rathman | National Association of Social Workers, Iowa Chapter | Opposing | GA90 |
| Courtney Reyes | One Iowa | Opposing | GA90 |
| Keenan Crow | One Iowa | Opposing | GA90 |
| Courtney Reyes | One Iowa Action | Opposing | GA90 |
| Keenan Crow | One Iowa Action | Opposing | GA90 |
| Mazie Stilwell | Planned Parenthood Advocates of Iowa | Opposing | GA90 |
| Cheryl Elsloo | Protect My Innocence | Supporting | GA90 |
| Harry Ehrlich | Protect My Innocence | Supporting | GA90 |
| Katherine Bogaards | Protect My Innocence | Supporting | GA90 |
| Peter Bogaards | Protect My Innocence | Supporting | GA90 |
| Rick Phillips | Protect My Innocence | Supporting | GA90 |
| Adam Schwend | Susan B. Anthony Pro-Life America | Supporting | GA90 |
| Katie Daniel | Susan B. Anthony Pro-Life America | Supporting | GA90 |
| Marjorie Dannenfelser | Susan B. Anthony Pro-Life America | Supporting | GA90 |
| Stephen Billy | Susan B. Anthony Pro-Life America | Supporting | GA90 |
| Chuck Hurley | The Family Leader | Supporting | GA90 |
| Danny Carroll | The Family Leader | Supporting | GA90 |
| Rebekah Oleson | 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 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA90 |
| Ryan Benn | The Family Leader Foundation | Supporting | GA90 |
| Kelli Harrison | UAW Region 4 | Opposing | GA90 |
| Karl Schilling | United Professionals/UE | Opposing | GA90 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA90 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA90 |