Mem Rodrigues de Briteiros (c. 1225 â c. 1270) was a Portuguese nobleman, member of the Court of Afonso III of Portugal.
His parents were Rui Gomes de Briteiros (vassal of Afonso III) and Elvira Anes da Maia, a noble woman, descendant of . His wife was Maria Anes da Veiga, daughter of João Pires da Veiga and Teresa Martins, and descendant of .