As A Given Name or Surname
- Lum, a Chinese Hakka surname (蓝)
- Lum (surname), an alternative spelling of the Chinese surname Lam (林)
- Agnes Lum, a Chinese-Hawaiian bikini supermodel from the 1970s
- Olivia Lum, founder of Singapore-based water treatment systems company Hyflux
- Lum Harris, American baseball player
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