The state of Wyoming, being a land locked state, has a wide variety of freshwater fish in its lakes, rivers, and streams.
| Common name | Family | Native | Image | |
|---|---|---|---|---|
| Cutthroat trout | Oncorhynchus clarki | Salmonidae | Yes | |
| Rainbow trout | Oncorhynchus mykiss | Salmonidae | No | |
| Golden trout | Oncorhynchus aguabonita | Salmonidae | No | |
| Brown trout | Salmo trutta | Salmonidae | No | |
| Brook trout | Salvelinus fontinalis | Salmonidae | No | |
| Lake trout or mackinaw | Salvelinus namaycush | Salmonidae | No | |
| Mountain whitefish | Prosopium williamsoni | Salmonidae | Yes | |
| Kokanee salmon | Oncorhynchus nerka | Salmonidae | No | |
| Arctic grayling | Thymallus arcticus | Salmonidae | Yes | |
| Bigmouth shiner | Notropis dorsalis | Cyprinidae | Yes | |
| Black bullhead | Ameiurus melas | Ictaluridae | Yes | |
| Bluehead sucker | Catostomus discobolus | Catostomidae | Yes | |
| Brassy minnow | Hybognathus hankinsoni | Cyprinidae | Yes | |
| Burbot | Lota lota | Lotidae | Yes | |
| Central stoneroller | Campostoma anomalum | Cyprinidae | Yes | |
| Channel catfish | Ictalurus punctatus | Ictaluridae | Yes | |
| Common shiner | Luxilus cornutus | Cyprinidae | Yes | |
| Creek chub | Semotilus atromaculatus | Cyprinidae | Yes | |
| Fathead minnow | Pimephales promelas | Cyprinidae | Yes | |
| Finescale dace | Chrosomus neogaeus | Cyprinidae | Yes | |
| Flannelmouth sucker | Catostomus latipinnis | Catostomidae | Yes | |
| Flathead chub | Platygobio gracilis | Cyprinidae | Yes | |
| Goldeye | Hiodon alosoides | Hiodontidae | Yes | |
| Hornyhead chub | Nocomis biguttatus | Cyprinidae | Yes | |
| Iowa darter | Etheostoma exile | Percidae | Yes | |
| Johnny darter | Etheostoma nigrum | Percidae | Yes | |
| Lake chub | Couesius plumbeus | Cyprinidae | Yes | |
| Leatherside chub | Lepidomeda copei | Cyprinidae | Yes | |
| Longnose dace | Rhinichthys cataractae | Cyprinidae | Yes | |
| Longnose sucker | Catostomus catostomus | Catostomidae | Yes | |
| Mottled sculpin | Cottus bairdii | Cottidae | Yes | |
| Mountain sucker | Catostomus platyrhynchus | Catostomidae | Yes | |
| Northern plains killifish | Fundulus kansae | Fundulidae | Yes | |
| Orangethroat darter | Etheostoma spectabile | Percidae | Yes | |
| Paiute sculpin | Cottus beldingi | Cottidae | Yes | |
| Pearl dace | Margariscus margarita | Cyprinidae | Yes | |
| Plains minnow | Hybognathus placitus | Cyprinidae | Yes | |
| Plains topminnow | Fundulus sciadicus | Fundulidae | Yes | |
| Quillback | Carpiodes cyprinus | Catostomidae | Yes | |
| Red shiner | Cyprinella lutrensis | Cyprinidae | Yes | |
| Redside shiner | Richardsonius balteatus | Cyprinidae | Yes | |
| River carpsucker | Carpiodes carpio | Catostomidae | Yes | |
| Roundtail chub | Gila robusta | Cyprinidae | Yes | |
| Sand shiner | Notropis stramineus | Cyprinidae | Yes | |
| Sauger | Sander canadense | Percidae | Yes | |
| Shorthead redhorse | Moxostoma macrolepidotum | Catostomidae | Yes | |
| Shovelnose sturgeon | Scaphirhynchus platorynchus | Acipenseridae | Yes | |
| Speckled dace | Rhinichthys osculus | Cyprinidae | Yes | |
| Stonecat | Noturus flavus | Ictaluridae | Yes | |
| Sturgeon chub | Macrhybopsis gelida | Cyprinidae | Yes | |
| Suckermouth minnow | Phenacobius mirabilis | Cyprinidae | Yes | |
| Utah chub | Gila atrarias | Cyprinidae | Yes | |
| Utah sucker | Catostomus ardens | Catostomidae | Yes | |
| Western silvery minnow | Hybognathus argyritis | Cyprinidae | Yes | |
| White sucker | Catostomus commersoni | Catostomidae | Yes | |
| Black crappie | Pomoxis nigromaculatus | Centrarchidae | No | |
| Bluegill | Lepomis macrochirus | Centrarchidae | No | |
| Common carp | Cyprinus carpio | Cyprinidae | No | |
| Emerald shiner | Notropis atherinoides | Cyprinidae | No | |
| Freshwater drum | Aplodinotus grunniens | Sciaenidae | No | |
| Gizzard shad | Dorosoma cepedianum | Clupeidae | No | |
| Golden shiner | Notemigonus crysoleucas | Cyprinidae | No | |
| Goldfish | Carassius auratus | Cyprinidae | No | |
| Grass carp | Ctenopharyngodon idella | Cyprinidae | No | |
| Green sunfish | Lepomis cyanellus | Centrarchidae | No | |
| Green swordtail | Xiphophorus helleri | Poeciliidae | No | |
| Guppy | Poecilia reticulata | Poeciliidae | No | |
| Largemouth bass | Micropterus salmoides | Centrarchidae | No | |
| Northern pike | Esox lucius | Esocidae | No | |
| Ohrid trout | Salmo letnica | Salmonidae | No | |
| Pumpkinseed | Lepomis gibbosus | Centrarchidae | No | |
| Rock bass | Ambloplites rupestris | Centrarchidae | No | |
| Smallmouth bass | Micropterus dolomieu | Centrarchidae | No | |
| Spottail shiner | Notropis hudsonius | Cyprinidae | No | |
| Walleye | Sander vitreum | Percidae | No | |
| Western mosquitofish | Gambusia affinis | Poeciliidae | No | |
| White crappie | Pomoxis annularis | Centrarchidae | No | |
| Yellow perch | Perca flavescens | Percidae | No | |
| Arctic char | Salvelinus alpinus | Salmonidae | No | |