Amphibians in the State of Washington, United States, include salamanders, newts, frogs, and toads, listed below with their respective scientific names.

Salamanders and newts Cascade torrent salamander – Rhyacotriton cascadae Coastal giant salamander – Dicamptodon tenebrosus Columbia torrent salamander – Rhyacotriton kezeri Cope's giant salamander – Dicamptodon copei Dunn's salamander – Plethodon dunni Larch Mountain salamander – Plethodon larselli Long-toed salamander – Ambystoma macrodactylum Northwestern salamander – Ambystoma gracile Olympic torrent salamander – Rhyacotriton olympicus Oregon ensatina – Ensatina eschscholtzii oregonensis Rough-skinned newt – Taricha granulosa Tiger salamander – Ambystoma tigrinum Van Dyke's salamander – Plethodon vandykei Western redback salamander – Plethodon vehiculum

Frogs American bullfrog – Rana catesbeiana Cascades frog – Rana cascadae Coastal tailed frog – Ascaphus truei Columbia spotted frog – Rana luteiventris Green frog – Rana clamitans Northern leopard frog – Rana pipiens Northern red-legged frog – Rana aurora Oregon spotted frog – Rana pretiosa Pacific chorus frog – Pseudacris regilla Rocky Mountain tailed frog – Ascaphus montanus

Toads Great Basin spadefoot – Spea intermontana Western toad – Bufo boreas Woodhouse's toad – Bufo woodhousii