Kuiper belt — is an area of the solar system extending past the orbit of Neptune.

Elisa Willem Kuyper (1894-1944), Dutch journalist, SS member

Jan Baptist de Cuyper (1807-1852), Dutch sculptor

Abraham Kuyper (1837-1920), Dutch politician, statesman, journalist and theologian

Geert Kuiper (b. 1960), Frisian-Dutch speed skater and coach

Gerard Kuiper (1905-1973), Dutch-American astronomer

Hennie Kuiper (b. 1949), Dutch cyclist

Roel Kuiper (b. 1962), Dutch historian, philosopher and politician

Cooper may refer to: Cooper (profession) People Alan Cooper, the father of "Visual Basic" and an advocate of Interaction Design Alice Cooper, birthname Vincent Furnier, is an American rock singer, songwriter and musician whose career spans five decades....

Kuiper Airborne Observatory, NASA research facility for infrared astronomy

Duane Kuiper (b. 1950), American baseball player

Kuiper, a crater on the moon

Rienk Kuiper (1886-1966), Frisian-Dutch president of Calvin College

Kuiper's test, a statistical test

Eric de Kuyper (b. 1942), Belgian film director and writer

De Kuyper Royal Distillers, a Dutch distillery (named after Petrus de Kuyper)

Adrian Kuiper (b. 1959), South African Cricketer

Kuiper's theorem, a mathematical theorem (named after Nicolaas Kuiper)

Franciscus Bernardus Jacobus Kuiper (1907-2003), Dutch Indologist

Nicolaas Kuiper (1920-1994), Dutch mathematician

Kuiper (also (de) Kuyper, Cuiper and de Cuyper) is a common Dutch language surname which means "cooper" in English: it may refer to:

Albertine van Vliet-Kuiper (b. 1951), Dutch politician and burgomaster of Amersfoort

Maarten Kuiper (?-1948), Dutch police man, NSB member and SS member

Willem de Kuyper, Dutch anabaptist, emissary of Jan Matthijs and baptist of Obbe Philips

Gerard P. Kuiper Prize, award for outstanding achievement in the field of planetary science

Kuyper College, a christian college close to Grand Rapids, Michigan (named after Abraham Kuyper)