Assunção is a Portuguese surname or part of a given name, such in as Maria da Assunção. It may refer to:
Fábio Assunção (born 1971), Brazilian actor Fernando O. Assunção (1931–2006), Uruguayan anthropologist Gustavo Assunção (born 2000), Brazilian footballer, son of Paulo Leilane Assunção (1981–2018), Brazilian professor and activist Paula Assunção (born 1993), Brazilian model Paulo Assunção (born 1980), Brazilian footballer Marcos Assunção (born 1976), Brazilian footballer Infanta Maria da Assunção of Portugal (1805–1834), Portuguese princess Raphael Assunção (born 1982), Brazilian mixed martial artist