Wanja

Wanja is a given name and surname. Notable people with the name include:

First name

 * Astrid Wanja Brune Olsen (born 1999), Norwegian tennis player
 * Barbara Wanja (born 1959), former freestyle swimmer from East Germany then known as Barbara Krause
 * Dorothy Wanja Nyingi (born 1974), Kenyan ichthyologist
 * Wanja Hlibka, singer with the Don Cossack Choir
 * Wanja Lundby-Wedin (born 1952), Swedish trade unionist and politician
 * Wanja Michuki, Kenyan businesswoman
 * Wanja Ronald Ngah (born 12 September 1991), Cameroonian footballer
 * Wanja Mary Sellers (born 1962), American-Italian actress and director

Surname

 * Iwa Wanja (1905–1991), Bulgarian actress based in Germany
 * Janet Wanja (born 1984), Kenyan volleyball player
 * Lutz Wanja (born 1956), German swimmer
 * Mbangi Wanja, Sultan of Bagirmi, central Africa, from 1722 to 1736

Fictional characters

 * Wanja, character in Ngũgĩ wa Thiong'o's novel Petals of Blood (1977)