Surname ฐวิกาญจน์ (ฐวิกาญจน์ 
, Thawikarn ) , across the world, is an extremely rare family name. The last name ฐวิกาญจน์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, ฐวิกาญจน์ is the forename as well as the last name.