Baek (Korean pronunciation: [pɛ̝k̚]), also often spelled Paek, Baik, Paik, or Back is a Korean family name.
In the year 2000, there were 351,275 people with this surname in South Korea.
The word means the color white.
"白" has a Cantonese origin from the Yuan dynasty and Goryeo dynasty.
Some Baekje refugees from the late Silla age had this surname.