Family name Ichaya (Ichaya 
) , all around the world, is an extremely rare cognomen. The family name Ichaya is characteristic of Thailand, where it is an extremely rare surname, Nigeria, and the United States. More prevalently, Ichaya is the forename as well as the last name.
Idi, Tantayothin, Rungsimanuruk, Kaewprajob, Charoenpol, Tantayotin, Chaiyasit, Agsonsophonpun, Udomkitjamlerd, Yaowapak, Wongsidakaew, Danapong, Wongnapakarn, Klinplub, Namniyom, Jaingam, Lamkitja, Dhungel, Kranyawath, Sirikit, Obchei, Polrob, Shalom, Mills, Mala, Manasmekul, and Yongvanichakorn