Deudorix vansoni, the Van Son's playboy, is a butterfly of the family Lycaenidae.

It is found from northern KwaZulu-Natal to Eswatini, then along the Lebombo foothills to southern Mpumalanga and north to Zimbabwe and Malawi.

Adults are on wing year-round with a peak from September to October.

[2] The larvae feed on Acacia afra and Acacia burkei, causing stem galls on the twigs.

This Theclinae-related article is a stub.