Ctenotus youngsoni, also known commonly as the Shark Bay south-west ctenotus and Youngson's ctenotus, is a species of skink, a lizard in the family Scincidae.

The specific name, youngsoni, is in honour of Australian zoologist William Kenneth Youngson.

[2] C. youngsoni is found in the Australian state of Western Australia.

[3] The preferred natural habitat of C. youngsoni is shrubland.

[1] C. youngsoni has well-developed limbs, with five toes on each of its four feet.