Trinchesia virens is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Trinchesiidae.

[2] This species was described from Point Pinos, Monterey Bay, California, United States.

[1] It has been recorded along the Eastern Pacific coastline of North America from Duxbury Reef, Marin County to Santa Catalina Island, California, United States.

[3][4]