Geitodoris bacalladoi is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Discodorididae.
It is mainly found in Mediterranean seabed environments. and in the Atlantic Ocean off the Canary Islands. The type locality is type locality: Agua Dulce, Tenerife (28ð02'N, 16ð33'W, 6 m)