Family name 千谷 (Chiya 
, Titani 
, 千谷 
) , in the entire world, is quite a common cognomen. The last name 千谷 is characteristic of South Africa, where it is quite a rare surname, Taiwan, where it is a rare surname, and Armenia. Measured by absolute frequency, the name is most common in South Africa, India, and Indonesia. More frequently, 千谷 is the forename as well as the last name.