Aleixo is the Galician and Portuguese version of Alexis. It may refer to:
Aleixo de Abreu (1568–1630), Portuguese physician and tropical pathologist Aleixo de Menezes (1559–1617), Archbishop of Goa, Archbishop of Braga, Portugal, and Spanish viceroy of Portugal Éder Aleixo de Assis (born 1957), former Brazilian footballer Fonte Aleixo, village on the island of Fogo, Cape Verde Pedro Aleixo (1901–1975), Vice-President of Brazil 1967–1969 São Miguel do Aleixo, municipality located in the Brazilian state of Sergipe