Family name Krittanu (Krittanu 
) , throughout the world, is an extremely rare cognomen. Much more frequently, Krittanu is the forename as well as the last name.
Boon, Fungthongcharoen, Thitiwanont, Chinnakarn, Thavarojana, Korkiatthamrong, Srinonmuang, Visesprasit, Limasatien, Pengsrijaroen, Khwansai, Boonsopa, Yimyaem, Riyapan, Kleephun, Tospol, Injun, Injan, Boonroungrat, and Rattanaprakarn