Cadaval (Portuguese pronunciation: [kɐðɐˈval] ) is a municipality in the Oeste intermunicipal community and Lisbon District of Portugal. The population in 2011 was 14,228, in an area of 174.89 km.

The present Mayor is José Bernardo Nunes, elected by the Social Democratic Party.

Parishes

Administratively, the municipality is divided into 7 civil parishes (freguesias):

• Alguber
• Cadaval e Pêro Moniz
• Lamas e Cercal
• Painho e Figueiros
• Peral
• Vermelha
• Vilar

Notable people

• Sofia Quintino (1879 in Lamas - 1964) one of the first female physicians to graduate in Portugal. An active feminist and leading developer of a secular nursing service
• Júlio Fogaça (1907 in Cadaval – 1980) a Portuguese politician with a mixed history with the Portuguese Communist Party
• Micael Isidoro (born 1982 in Cadaval) a Portuguese road cyclist