Family name Kritnicha (Kritnicha 
) , all around the world, is an extremely rare last name. The cognomen Kritnicha is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Kritnicha is the forename as well as the last name.
Janha, Suwanprapai, Sutthikunchaipak, Bamrungsak, Jaritngam, Apiromrak, Phaphitthayanont, Kimsawat, Chaisenbodin, Mekthong, Opajaratpong, Tipyoddechakun, Supanya, Tatiya, Rodsom, Panjai, Sikwar, Saipun, Wongsathapornchai, and Pongpattanachart