Surname Jitchaya (Jitchaya 
) , in the world, is a very rare cognomen. The family name Jitchaya is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, Jitchaya is the forename as well as the last name.
Anupap, Plengsiri, Daowiengkan, Dumsuwan, Nillawan, Monnamorn, Sangduang, Khamsing, Kritathit, Jaroensuk, Thongphet, Werawanit, Sarasombath, Srichomchuen, Pullapalin, Poonsawad, Chandanindara, Bunthiem, Sukkittivara, Palano, Posiri, Dowviangkan, Nonmai, Mobundit, Bansong, Bunthiam, Buaphun, Ruenjit, Dumsuwun, Numkarng, Wittaya, Worakan, Uprakaew, Richard, and Limpanaphongphan