Lan is of Vietnamese origin, meaning 'orchard' or 'garden'. It's often used as both a given name and a surname. Historically, it was popular among the Chinese community, but has since gained recognition worldwide.
The name Lan experienced significant popularity during the late 1970s to early 1980s, with peaks in 1978 (27 births), 1981 (43 births), and 1982 (47 births). However, its usage declined steadily from the mid-1980s onwards, with fewer than 10 births per year after 1996. The total number of births with the name Lan over this period was 769.