Couper is a surname. It may refer to:

Archibald Scott Couper (1831–1892), Scottish chemist Barbara Couper (1903–1992), British actress George Couper (1824–1908), British civil servant in India Heather Couper (1949–2020), British astronomer, broadcaster and science populariser James Couper (disambiguation) Mildred Couper (1887–1974), American composer and pianist Rory Couper (born 1980), Scottish rugby union player Scott Couper (born 1970), Scottish gridiron football player William Couper (bishop) (1568–1619), Scottish bishop and theologian William Couper (naturalist) (), American entomologist and naturalist William Couper (sculptor) (1853–1942), American sculptor

See also Couper baronets, a title in the Baronetage of the United Kingdom Couper Collection, an art collection Couper Islands, Nunavut, Canada Cooper (disambiguation)