Wi (surname)Wi is an uncommon Korean family name. The 2015 South Korean census found that there were 32,191 people with this family name. It is written with four different hanja. People with this surname include: Wi Bok-sun, North Korean former international table tennis player Wi Ha-joon, South Korean actor Wi Jae-wook, South Korean cross-country skier Michelle Wie, American professional golfer Wi Seo-yeong, South Korean figure skater Wi Seong-gon, South Korean politician