Phidiana lottini is a species of sea slug, a nudibranch, a marine, gastropod mollusc in the family Facelinidae.

[2] This species was described from Port St Vincent, Talcahuano, Chile, 36°43′55″S 73°08′10″W / 36.732°S 73.136°W / -36.732; -73.136.

[1] It has been reported from Callao, Peru, 12°04′44″S 77°10′34″W / 12.079°S 77.176°W / -12.079; -77.176 and Los Hornos, 29°38′S 71°20′W / 29.633°S 71.333°W / -29.633; -71.333[3] south to Bahía de Coliumo, 36°32′S 72°57′W / 36.533°S 72.950°W / -36.533; -72.950[3] and Gulf of Ancud, 41°48′43″S 73°48′22″W / 41.812°S 73.806°W / -41.812; -73.806.

[4]