Last name Цинь (Qin 
, Cin , Tsin 
) , worldwide, is a prevalent cognomen. The last name Цинь is characteristic of China, where it is quite a common surname, Bermuda, and Cayman Islands (explore the name in all countries). Measured by absolute frequency, this name is the most popular in China, Malaysia, and India. Very seldom, Цинь is the forename as well as the last name.