Cognomen Pitchayatida (Pitchayatida 
) , in all the world, is an extremely rare surname. The surname Pitchayatida is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Pitchayatida is the forename as well as the last name.
Anan, Simaprom, Suksanit, Chotisak, Kruaewonk, Promchat, Phrachai, Ratchain, Ruangsri, Thetthim, Muangkarn, Srisahakarn, Sritarang, Sriintayot, Khwankoed, Ratiphatcharaphong, Thepamnuay, Teerapapong, Futhanakorn, Wattatham, Wichakham, Petchchuay, Thettim, Thepnoo, Tabkaew, Ladbuachum, Gosa, Nuimphom, Saelim, Buanak, Koomvong, Kunlan, Pichai, Luepuech, Jantoo, Toudta, Saentaweesuk, Traewong, Homeuthai, Maskhao, Madsara, Susanon, Srebunpang, Atathep, Khamtue, Khumtue, Pairath, Phairin, Namsan, and Sirimongkol