| Derrick Hoodjer | Smith Fertilizer and Grain |
| Gabriel Hoodjer | (not set) |
| Sarah Hoodjer | Davis Equipment |
| Sydney Howren | (not set) |
| Taylor Hudson | (not set) |
| Jason Huff | Ag Partners LLC |
| Tyler Huff | Farmers Win Coop |
| Jeffrey Hughes | Precision Liquid Construction |
| Justin Hunter | Eldon C Stutsman Inc |
| Charles Hurburgh | IOWA STATE UNIVERSITY |
| Lynn Hurley | Valent USA LLC |
| Terry Hurshman | Eldon C. Stutsman, Inc |
| Dustin Hyde | Agronomic Solutions |
| Austin Ihrig | (not set) |
| Joe Irlbeck | Nutrien Ag Solutions |
| Adam Jackson | TriOak Foods |
| Jay Jacobi | Remington Seeds |
| Kaden Jacobs | (not set) |
| Kaden Jacobs | (not set) |
| Emily Jaeschke | (not set) |
| Taylor Jans | CoBank |
| Craig Jensen | Rosen's Inc. |
| Jason Jensen | Smith Fertilizer and Grain |
| Tammy Jensen | agriCAREERS, Inc. |
| Dr. Prashant Jha | ISU Department of Agronomy |
| Laurie Johns | IowaFarmscape L.L.C. |
| Amy Johnson | BrownWinick Law Firm |
| Brent Johnson | Iowa Farm Bureau |
| Chris Johnson | Rosen's Inc. |
| Kaeli Johnson | (not set) |
| Paul Johnson | Rosen's Inc. |
| Alexis Jones | (not set) |
| Kael Julseth | (not set) |
| Mary Junge | Junge |
| Scott Jungman | Corteva |
| Joel Kampen | K.C. Nielsen LTD. |
| Brydon Kaster | (not set) |
| Brad Kaufman | Kaufman seeds |
| Alan Keller | Feed & Fertilizer Bureau, IDALS |
| Cole Kelly | (not set) |
| John Kelly | Popp Engineering Inc |
| Roger Kenkel | (not set) |
| Karter Kennebeck | (not set) |
| Al Kessler | Eldon C. Stutsmans |
| Matt Kestel | Pivot Bio |
| Mike Kime | Farmers Win Coop |
| Katie King | (not set) |
| Phil Kinney | Ziegler CAT |
| Allison Kinser | (not set) |
| Mike Kinzel | Liqui-grow of Traer |