Diaphorodoris luteocincta is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusc in the family Calycidorididae.

[2] This species was described from Vallø (Tønsberg), Norway.

It is reported from Norway south along the Atlantic Ocean coasts of Europe to the Mediterranean Sea.

[3][4][5] The maximum recorded body length is 8 mm.

[6]