Doriopsilla bertschi is a species of dorid nudibranch, a colourful sea slug, a shell-less marine gastropod mollusc in the family Dendrodorididae.

[1] This species was described from Bahía de los Ángeles, Baja California, Mexico.

It can be dark yellow or orange in colour, but always with very small opaque white dots.

The dots are scattered irregularly and are similar in size when on the minute tubercles or between them.

[1] The rhinophores are dark yellow to orange in colour, and the gills are very large and also dark yellow to orange in colour.