Lan is the Mandarin pinyin and Wade–Giles romanization of the Chinese surname written 蓝 in simplified Chinese and 藍 in traditional Chinese.
It is romanized Lam or Nam in Hakka.
Lan is listed 131st in the Song dynasty classic text Hundred Family Surnames.
[1] As of 2008[update], it was the 121st most common surname in China, shared by 1.4 million people.
[2] This is a Chinese name, meaning the surname is stated before the given name, though Chinese persons living in Western countries will often put their surname after their given name.