This is a list of surnames in which the usage is Chinese; and the first letter is Y.
Yu 1 于 ChineseFrom Chinese
于 (yú) meaning
"in, on, at". According to legend, King Wu of Zhou bestowed the realm of Yu to his second son, who subsequently adopted this as his surname.
Yu 4 虞 ChineseFrom Chinese
虞 (yú) meaning
"concerned, anxious" and also referring to the ancient state of Yu, which was situated in what is now Shanxi province.