Koopmans
# 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
