Spong is a surname in multiple Germanic-speaking cultures. In England, it is an archaic term for a narrow strip of land. Notable people with this name include:
- Clive Spong, English illustrator of children's books
- Gerard Spong (born 1946), Surinamese-Dutch lawyer
- Hilda Spong (1875–1955), English actress
- James Osborn Spong (1839–1925), founder of Spong and Co., kitchen equipment manufacturers
- Spong Family children of James Osborn Spong
- Dora Beedham, née Spong (1879–1969), British nurse and suffragette who was force-fed
- John Shelby Spong (1931-2021), American Episcopal bishop
- Mark W. Spong (born 1952), American roboticist
- Paul Spong (born 1939), New Zealand biologist
- Richard Spong (born 1983), Swedish footballer
- Roger Spong (1906–1980), English rugby union player
- Sriwhana Spong (born 1979), New Zealand artist
- Tyrone Spong (born 1985), Surinamese-Dutch boxer and kickboxer
- Walter Brookes Spong (1851–1929), British artist
- William B. Spong Jr. (1920–1997), Virginia Senator
Places
- Spong Hill, Early Saxon cemetery in Norfolk, England
See also
- Spongmonkey, a fictional creature and internet phenomenon, featured in commercials for Quiznos Sub
- Sponge (disambiguation)