Agra is a Galician and Portuguese surname, most frequently found in Brazil and the Rías Baixas area of Spain. Notable people with the surname include:
Alberto Agra (born 1963), Filipino former acting Secretary of Justice
Alfonso Agra (born 1959), Spanish actor
Bruno Agra (born 1980), Brazilian musician
Carmen Agra Deedy, Cuban-American children's author
Maria de Fátima Agra (born 1952), Brazilian botanist
Nélson Agra (born 1991), Portuguese footballer
Salvador Agra (born 1991), Portuguese footballer