Doris odhneri is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Dorididae.

[4] Doris odhneri is the largest nudibranch on the California coast, measuring up to 20 cm.

It is completely white in color with no markings, however anomalies with a yellowish hue have been described in the Puget Sound region.

Elegant ribbon-like egg masses are laid and attached to hard substrates.

[8] Doris odheri can be found from Kenai Peninsula, Alaska to Point Loma, California.