Yin (印) is a Chinese surname meaning "stamp" or "seal".

[1][2] According to a 2013 study, it was the 355th most common name in China; it was shared by 121,000 people, or 0.0091% of the population, with the province with the most people being Jiangsu.

[3] It is the 265th name in the Hundred Family Surnames poem.

[4] The surname originates with Zi Yin (子印), the courtesy name of Lun, son of Duke Mu of Zheng (ruled 627–606 BC).

[5]