Globally, Castañé (Castañé 
) is an extremely rare unknown gender first name. Predominantly, Castañé is the last name as well as the forename.
Pau, Celler, Robert, Darío, Gaston, Lurdes, Lluís, Javier, Teresa, Núria, Eduard, Victor, Ignasi, Iñaki, Xavier, Mariana, Mariona, Silvina, Gabriel, Jèssica, Natalí, Salvador, Carles, Alfred, Albert, Silvia, Eva, Marc, Anna, Joan, Marta, Mikel, Berta, Ramon, Roger, Dario, Carolina, David, Laura, Josep, José, Jorge, Jordi, Tatii, Nuria, María, Montse, Miguel, Davis, and Cristina