Coolen

Coolen ({{IPA|nl|ˈkoːlə(n)}}) is a Dutch patronymic surname.[http://www.cbgfamilienamen.nl/nfb/detail_naam.php?gba_lcnaam=coolen&gba_naam=Coolen&nfd_naam=Coolen&operator=eq&taal= Coolen] at the Database of Surnames in The Netherlands. Variant forms are Colen, Kolen and Koolen. Cool and Kool are archaic short forms of the given name Nicolaas.[http://www.meertens.knaw.nl/nvb/populariteit/naam/Kool Kool] at the Corpus of First Names in The Netherlands.{{cite web|url=https://surnames.behindthename.com/name/coolen|title=Meaning, origin and history of the surname Coolen|first=Mike|last=Campbell|website=Behind the Name|accessdate=30 April 2018}} In Canada the name may also have evolved as a modern spelling of Coulon.{{cite web|url=http://web2.uwindsor.ca/library/leddy/people/art/names.html|title=Nova Scotia's Montbeliard Names|website=web2.uwindsor.ca|accessdate=30 April 2018}}

Notable people with this surname include:

• Antoon Coolen (1897–1961), Dutch writer
• Coenrad Laurens Coolen (1773-?), Indonesian evangelist
• {{interlanguage link|Jef Coolen|de||nl|}} (1944–2016), Belgian jazz trumpet player
• Louis Coolen (born 1952), Dutch football midfielder and manager
• Nadia Coolen (born 1994), Dutch football forward
• Nancy Coolen (born 1973), Dutch singer and television host
• Rini Coolen (born 1967), Dutch football defender and manager
• Tom Coolen (born 1953), Canadian ice hockey coach
• {{interlanguage link|Yves Coolen|ca||fr||nl|}} (born 1995), Belgian cyclist

;Koolen

• Dionysius A.P.N. Koolen (1871–1945), Dutch politician, Minister of Labour, Trade and Industry 1925–26
• Kees Koolen (born 1965), Dutch rally raid racer and businessman
• Nicole Koolen (born 1972), Dutch field hockey player
• Roel Koolen (born 1982), Dutch baseball player