Cognomen Theethawat (Theethawat 
) , globally, is an extremely rare surname. Much more frequently, Theethawat is the forename as well as the last name.
Nunta, Janjampa, Ningnuek, Niamlaong, Sathirarat, Chaumphol, Banluekhun, Laongsakul, Thaweewat, Thepnakhin, Singhasiri, Kosalanuntakul, Suntornprawet, Khongthongsang, Patanasoponpisut, Pipatpongsa, Jandawicha, Phanpahisarn, Promloka, Kwankerd, Maitum, Suisut, Kajorn, Khanan, Pradit, Roatsurang, Thanam, Kraisriwatthana, Saiyard, Boonrat, Patjatak, Savastham, Sornklar, Bootmata, Khamngoen, Khonkhlong, Chaisri, and Intharaprasert