| Keith Kratchmer | Iowa Select Farms |
| Shelly Kruse | GROWMARK |
| Brad Kumm | Brad Kumm Agronomist LLC |
| John Laffey | Corteva Agriscience - Brevant Seeds |
| Katie Lahr | Corn States |
| Robert LaHue | Corteva Agriscience - Brevant Seeds |
| Joe Lally | Agri Management Center |
| Skip Landholm | Brehmer |
| Scott Langmack | Ag Spray Equipment |
| Jose Laracuente | LARASH LLC |
| Shelley Laracuente | Solentra - a Cultura company |
| Eric Larson | Atticus, LLC |
| Chris Latham | Latham Hi-Tech Seeds |
| Zack Leist | Syngenta |
| Dave Lemke | Landus |
| Dave Lemke | Landus |
| Brad Lemke | Landus |
| Amanda Lemke | Landus |
| Aidan Lemke | Landus |
| Reagan Lemke | Landus |
| Mitch Lensing | Fertilizer Dealer Supply |
| Eric Lerdal | Syngenta |
| Bret Leymaster | Corteva Agriscience - Crop Protection |
| John Long | Corteva Agriscience - Brevant Seeds |
| Luke Longlet | Corteva |
| Scott Louscher | Farmers National Company |
| Van Lucas | Agri-Tech Aviation |
| Vickie Lucas | (not set) |
| Reese Lucas | (not set) |
| Bret Lucas | (not set) |
| Scott Lukan | Agri Drain Corporation |
| Kevin Luther | Rosens |
| Andrew Luzum | Corteva Agriscience |
| Erica Lydolph | Iowa Seed Association |
| Brad Marlow | Fertilizer Dealer Supply |
| Wayne Mass | Iowa Agricultural Aviation Association |
| Jay Matthews | GROWMARK Inc. |
| Brian Maxwell | Two Rivers Cooperative |
| Chris Mayer | Heartland Ag Systems |
| Brett McArtor | Corteva Agriscience |
| Bill McAvoy | Dultmeier Sales |
| Austin McCloud | Nutrien Ag Solutions |
| Jim McDermott | Bayer Crop Science |
| Sean McMahon | Iowa Agriculture Water Alliance |
| Corey McSparen | We Write Code |
| Scott Meldrum | Van Wall Equipment |
| Mark Mendick | Appanoose Manufactured Products |
| Kurt Metzger | Steier Ag Aviation |
| Curt Meyer | Parallel Ag |
| Jeff Meyer | Rain and Hail L.L.C. |