| Species | Weight | Angler | Year | Waterbody | Source |
|---|---|---|---|---|---|
| Largemouth Bass | 11.51 lbs | Caleb Salzman | 2018 | Kleenburn Ponds | source ↗ |
| Smallmouth Bass | 5.94 lbs | Bubba O'Neil | 2003 | Flaming Gorge Reservoir | source ↗ |
| Channel Catfish | 28.52 lbs | Christian Cosby | 2017 | Flaming Gorge Reservoir | source ↗ |
| Flathead Catfish | 22.46 lbs | Dallas Stanton | 2004 | North Platte River | source ↗ |
| Walleye | 17.42 lbs | Stan Seivewright | 1991 | Boysen Reservoir | source ↗ |
| Northern Pike | 27 lb 4 oz | Robert K. Hockett | 2004 | Keyhole Reservoir | source ↗ |
| Tiger Muskie | 29.37 lbs | Frank Rubrecht | 1992 | Grayrocks Reservoir | source ↗ |
| Black Crappie | 2 lb 7.4 oz | Troy Schnepper | 2012 | Boysen Reservoir | source ↗ |
| White Crappie | 2.45 lbs | Terry Young | 2009 | Glendo Reservoir | source ↗ |
| Bluegill | 1.92 lbs | Rod Horsley | 2008 | Stock Pond, Niobrara County | source ↗ |
| Rainbow Trout | 23 lbs | Frank Favazzo | 1969 | Burnt Lake, Sublette County | source ↗ |
| Brown Trout | 25 lb 13 oz | George Rose | 1982 | Anvil Draw, Flaming Gorge Reservoir | source ↗ |
| Lake Trout | 50 lbs | Randy Calkins | 1995 | Flaming Gorge Reservoir | source ↗ |
| Brook Trout | 9 lb 11 oz | Max Long | 1976 | Green River Lake, Sublette County | source ↗ |
| Cutthroat Trout (standout, state fish) | 15 lbs | Alan Dow | 1959 | Native Lake, Sublette County | source ↗ |
| Kokanee Salmon (standout) | 6.31 lbs | George Sharman | 2015 | Flaming Gorge Reservoir | source ↗ |
Records compiled from official state wildlife/DNR agencies where available, cross-checked against independent angling record databases. Standards, categories and titleholders change as new fish are certified — always confirm current records with the state agency before citing officially.