Cyrtodactylus caovansungi is a species of gecko, a lizard in the family Gekkonidae.

The species is endemic to Vietnam.

The specific name, caovansungi, is in honor of Vietnamese biologist Cao Van Sung.

[2][3] C. caovansungi is found in southern Vietnam, in Ninh Thuan Province[2] The preferred natural habitat of C. caovansungi is forest at an altitude of 400 m (1,300 ft).

[1] Relatively large for its genus, C. caovansungi may attain a snout-to-vent length (SVL) of 9.4 cm (3.7 in), plus a tail length of 12 cm (4.7 in).