Across the world, Wichaikul (Wichaikul 
) is an extremely rare unknown gender first name. Much more prevalently, Wichaikul is the last name as well as the forename.
Sopha, Panitan, Paiboon, Rachata, Jadsada, Jatsada, Jiratha, Nittaya, Surapong, Surachet, Supranee, Chitipun, Bunchana, Kanyarat, Kulruedee, Jureerat, Juthamad, Noppawee, Nungruthai, Wisarinee, Yuppadee, Suppachok, Kityarin, Komkrit, Chayapa, Chaiyot, Ariya, Daeng, Naris, Wanna, Wirat, Samart, Suchin, Aranya, Lalada, Jandee, Supphachok, Wetaka, Sasipim, Saowapa, Sirikul, Sirirat, Sirapop, Supanee, Sumoltip, Seranee, Sorrayut, Auayporn, Mantana, and Chaweewan