According to the 2010 United States Census, Luk is the 15,289th most common surname in the United States, belonging to 1920 individuals. Luk is most common among Asian/Pacific Islander (92.03%) individuals.
“Lukáš”, in Slovníkový portál Jazykovedného ústavu Ľ. Štúra SAV [Dictionary portal of the Ľ. Štúr Institute of Linguistics, Slovak Academy of Science] (in Slovak), https://slovnik.juls.savba.sk, 2003–2025