Mearns (surname)
Mearns is a Scottish surname. Notable people with the surname include:
- Dave Mearns (born 1947), psychotherapist and author
 - Barbara Mearns (born 1955), Scottish naturalist and biographer
 - David Mearns (born 1958), United States-born marine scientist
 - Edgar Alexander Mearns (1856–1916), American ornithologist and field naturalist
 - Frederick Mearns (1879–1931), British footballer
 - Ian Mearns, British Labour Party politician
 - Levi R. Mearns (died 1896), American politician from Maryland
 - Randy Mearns (born 1969), Canadian lacrosse player
 - Sara Mearns (born 1986), American ballet dancer
 - William Hughes Mearns (1875–1965), American educator and poet