| Jenna Royer | Ag Leader |
| Matt Royster | (not set) |
| Tyler Rue | Farmers Win Coop |
| Tony Ruhland | Bollmeyer INC. |
| Sam Rummel | (not set) |
| Shawn Rush | Spraytec Fertilizers LLC |
| James Russmann | Growmark Inc. |
| Mike Rutter | Ranco Fertiservice, Inc. |
| Mark Samuelson | The Andersons, Inc |
| Calli Sandahl | Iowa State University Seed Science Center |
| Avery Sandbulte | (not set) |
| Derek Sandel | Dultmeier Sales |
| Kristian Sanders | (not set) |
| Trey Sands | Squibb Tyalor |
| Charlie Schafer | Agri Drain Corporation |
| Andrew Scharnhorst | Complete Ag LLC |
| Jamie Schechinger | Yara |
| Jack Schimmelpfennnig | (not set) |
| Ryleigh Schipper | (not set) |
| Steve Schlampp | Fertilizer Dealer Supply |
| Troy Schlapkohl | Nutrien Ag Solutions |
| Matt Schmidt | Davis Equipment Corporation |
| Gary Schmitt | Farmers Win Coop |
| Gregg Schmitz | Nutrien |
| Ruben Scholtz | (not set) |
| Todd Schomburg | Stine Seed Company |
| Ryan Schon | Latham Seeds |
| Cam Schroeder | (not set) |
| Carson Schultz | (not set) |
| Jason Schulz | (not set) |
| Marty Schwager | Iowa Farm Bureau |
| Dave Schwartz | Verdesian Life Sciences |
| Brent Schwenneker | Bayer Crop Science |
| Beth Schwickerath | (not set) |
| Laremy Seelow | Stueve Construction LLC |
| Caroline Seibt Kruse | Gaúcha Specialty Coffee |
| Chris Seiler | Nutrien Ag Solutions |
| MaKaylin Sellers | (not set) |
| Peyton Severson | (not set) |
| Wes Sharp | Iowa Ag Aviation Association |
| Adam Shaull | Martin Resources |
| Bret Shaw | Yara |
| Kyle Shay | Ziegler CAT |
| Alexandrea Shelley | (not set) |
| Andyn Showalter | (not set) |
| Taylor Sikkink | Raven |
| Tyler Simon | Nutrien Ag Solutions |
| David Simonson | Nutrien Ag Solutions |
| Kyle Simpson | (not set) |
| Alex Skinner | (not set) |