'''Maassen''' is a Dutch patronymic surname, meaning son of ''Maas'', an archaic short form of Thomas. It is most common in Dutch Limburg and surrounding regions.<ref>[http://www.cbgfamilienamen.nl/nfb/detail_naam.php?gba_lcnaam=maassen&gba_naam=Maassen&nfd_naam=Maassen&operator=eq&taal= Maassen] at the Database of Surnames in The Netherlands</ref> Among variant forms are ''Maas'', ''Maase(n)'', ''Maasse'', ''Maes'', and ''Maessen''. In Germany the name is usually spelled ''Maaßen''. Notable people with the surname include:
*Frans Maassen (born 1965), Dutch racing cyclist and directeur sportif *Friedrich Maassen (1823–1900), German jurist *Hans Maassen, (born 1951) a Dutch mathematical physicist *Lambert Maassen (1941–2018), Dutch football forward *Montego Maassen (born 2007), German racing driver *Nol Maassen (1922–2009), Dutch politician *Peter Maassen (1810–1890), German entomologist *Peter J. Maassen (born 1955), American jurist of the Alaska Supreme Court *Sascha Maassen (born 1969), German racing driver *Theo Maassen (born 1966), Dutch comedian and actor *Wolfgang Maassen (born 1949), German philatelist *Xavier Maassen (born 1980), Dutch racing driver *Stephen Maassen (born 1957), Wisconsinite physician ;Maaßen *Hanns Maaßen (1908–1983), German journalist and writer *Hans-Georg Maaßen (born 1962), German politician and lawyer *{{illm|Karl Georg Maaßen|de||ru|Маассен, Карл Георг|sv|}} (1769–1834), Prussian jurist and politician ;Maase *Kamiel Maase (born 1971), Dutch long-distance runner *Maase (noble family), Danish noble family
==See also== *Maasen, a community in Lower Saxony, Germany
==References== {{reflist}}
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Category:Dutch-language surnames Category:Patronymic surnames Category:Surnames derived from given names