Family name เสาวนนท์ (Saowanon 
, เสาวนนท์ , Saowaknon) , across the world, is a rare cognomen. The family name เสาวนนท์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, เสาวนนท์ is the forename as well as the last name.