Wittia yazakii is a moth of the family Erebidae.

It is found in Guangdong, China.

[1] The length of the forewings is about 10 millimetres (0.39 in) for males and 11–12 millimetres (0.43–0.47 in) for females.

The forewings bright yellow and the hindwings are yellow without a pattern.

This Lithosiina-related article is a stub.