Family name Suwichan (Suwichan 
) , throughout the world, is an extremely rare cognomen. Much more frequently, Suwichan is the forename as well as the last name.
Tunin, Watcharanimit, Nawakitkan, Prachachat, Wiriyaudomsiri, Thangkhum, Liwwattanachotinan, Rangsisopon, Pittayapa, Keereerat, Kaewyoung, Suksungnern, Sarerattanasakul, Phetampai, Phudenpha, Pondacho, Paothong, Saengdok, Meekao, Pudkum, Puykhambok, Lakdee, Trimas, Ekajit, Phatthanaphraiwa, Haulee, Khontha, Duangwong, Towathana, Majakorn, Muangsub, Sangrawe, Hualee, and Phatthanaphraiwan