Castelao may refer to:
;People
*
Alfonso Daniel Rodríguez Castelao
Alfonso Daniel Manuel Rodríguez Castelao (30 January 1886 – 7 January 1950), commonly known as Castelao, was a Galician politician, writer, painter and doctor. He is one of the fathers of Galician nationalism, promoting Galician identi ...
, Galician politician, writer, painter and doctor
*
Ofelia Rey Castelao (b. 1956), Galician historian, writer, and university professor
;Association football stadiums nicknamed Castelão:
*
Castelão (Maranhão) (Estádio Governador João Castelo), located in São Luís, Maranhão, Brazil
*
Castelão (Ceará)
Estádio Governador Plácido Castelo, also known as the Castelão (, Portuguese for "Big Castle") or Gigante da Boa Vista, is a football stadium that was inaugurated on November 11, 1973 in Fortaleza, Ceará, Brazil, with a maximum capacity of ...
(Estádio Plácido Aderaldo Castelo), located in Fortaleza, Ceará, Brazil
;Other
*
Castelão (grape)
Castelão, in Portugal also known as Periquita and João de Santarém, is a red wine grape found primarily in the south coastal regions but is grown all over Portugal and is sometimes used in Port wine production.
The vine thrives in sandy soils ...
, a Portuguese wine grape grown in the Bairrada DOC and other regions.
{{disambig