Cognomen Retho (Retho 
) , across the world, is a rare family name. The last name Retho is habitual in France, where it is a rare surname, Malaysia, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Much less frequently, Retho is the forename as well as the last name.
Marc, Patrice, Gustave, Juliana, Emilien, Fabrice, Clément, Baptiste, Benjamin, Patricia, Sebastien, Alexandra, Alexandre, Leonardus, Anne-Laure, Christiane, Clement, Emmanuelle, Antoine, Sabrina, Jean, Eric, Alain, Kevin, Lison, Louis, Michel, Sultan, Sylvie, Arthur, Romain, Daniel, Vinoth, Fabien, Mickael, Sabeesh, and Jean-Christophe