Klunzinger's wrasse (Thalassoma rueppellii), also known as Rüppell's wrasse, is a species of ray-finned fish, a wrasse from the family Labridae which is endemic to the Red Sea.

It inhabits the margins and seaward slopes of reefs at depths from 1 to 30 m (3.3 to 98.4 ft).

It can reach 20 cm (7.9 in) in total length.

This species can be found in the aquarium trade.

This Labridae article is a stub.