Cognomen Cró (Cró 
) , in all the world, is a very rare surname. The cognomen Cró is habitual in Portugal, where it is a rare surname, and Brazil, where it is an extremely rare surname. Much less frequently, Cró is the forename as well as the last name.
Dina, Valter, Filipe, Fábio, Antonio, Claudia, Rodrigo, Nelson, Ricardo, Glória, Emanuel, Flávia, Carolina, Catarina, Graciana, Daniela, Thaís, Leonor, Décio, Igor, Maria, Sofia, Paulo, Diogo, João, Vitor, Élio, Sandra, Susana, Sónia, Andrea, Camila, Renato, Renata, Francisco, and Francisca