Family name Onnitcha (Onnitcha 
) , in all the world, is an extremely rare last name. The last name Onnitcha is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Onnitcha is the forename as well as the last name.
Tarad, Pornsuksawang, Thongthian, Prachanakarn, Theppawong, Thanapawa, Kunchamnan, Khamphapatkun, Chanphaison, Apicharoensup, Ekkhunapakorn, Na Nakorn, Pakpises, Khamplew, Kehanant, Kanjanarittakorn, Koonyosying, Senawang, Sawakhaphan, Muadphon, Ngamnin, Napasploy, Tadthai, Kumsopa, Kongsuk, Kankhan, Chainoi, Sriarsa, Srimee, Srirat, Nanta, Kaewsung, and Palakawong Na Ayudhaya