The surname "Tholen" is of Dutch origin and is primarily found in the Netherlands. It may derive from the name of a place or geographical feature, reflecting the common practice of using location-based surnames in Dutch culture. Individuals with the surname Tholen may be involved in various professions and fields, contributing to the cultural and social landscape of their communities. Notable people with this surname include Johan Tholen, a Dutch politician, and Henk Tholen, a recognized figure in sports.