Family name Nithi (นิติ 
, นิธิ , Nithi 
) , all over the world, is quite a rare cognomen. The surname Nithi is characteristic of Western Asia, particularly Qatar, where it is quite a rare surname, United Arab Emirates, and Oman. Measured by absolute frequency, the name is most common in India, Saudi Arabia, and Kenya. More frequently, Nithi is the forename as well as the last name.