The Association of Private Practising Surveyors of Nigeria (APPSN) is a sub-group of a professional association, the Nigerian Institution of Surveyors (NIS), that represents the interests of private survey practictioners, and private surveying firms in Nigeria.

The Enugu State Branch of APPSN is one of the branches of the association, catering to the needs of private surveyors practising in Enugu State.