Cognomen Tanchuan (Tanchuan 
) , in the world, is a rare family name. The surname Tanchuan is characteristic of Philippines, where it is a rare surname, Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Tanchuan is the forename as well as the last name.
Leo, Tomasa, Nenita, Fatima, Fermin, Wilcon, Melanie, Apichit, Cecille, Raymund, Raymart, Rodrigo, Jaranin, Judylyn, Teodoro, Titudio, Vicente, Ulysses, Benjamin, Gorgonia, Lilibeth, Lorrence, Joenel, Leonie, Gloria, Reimar, Anan, Jose, John, Joel, Vonn, Alain, Ariel, Cindy, Benjo, Romeo, Jeanette, Roger, Daisy, Jerry, Ernie, Zeala, Merico, Andrea, Analyn, Arnold, Rommel, Roland, Danny, and Teresita