Koopmans

Koopmans is a Dutch occupational surname meaning "merchant's". Notable people with the surname include:


 * Aart Koopmans (1946–2007), Dutch businessman
 * Ger Koopmans (born 1962), Dutch CDA politician
 * Leo Koopmans (born 1953), Dutch ice hockey player
 * Luuk Koopmans (born 1993), Dutch football goalkeeper
 * Marion Koopmans (born 1956), Dutch virologist
 * Rachel Koopmans, Canadian historian
 * Rudy Koopmans (born 1948), Dutch boxer
 * Ruud Koopmans (born 1961), Dutch sociologist
 * Thijmen Koopmans (1929–2015), Dutch judge
 * Tini Koopmans (1912–1981), Dutch high jumper, discus thrower and shot putter
 * Tjalling Koopmans (1910–1985), Dutch American mathematician, physicist and economist and Nobel Laureate
 * Koopmans' theorem, a quantum chemistry theorem published by Tjalling Koopmans