2009–10 NBB Cup

{{Infobox basketball league season

| updated =

| prevseason = 2008–09

| nextseason = 2010–11

| title = NBB Cup

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| season = 2009–10

| champions = ZZ Leiden (2nd title)

| runners_up = ABC Amsterdam

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| teams = 48

| games = 52

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|dates=9 October 2009 – 24 March 2010}}

The 2009–10 NBB Cup was the 42nd season of the Dutch NBB Cup. The season began on 9 October 2009 and finished with the final, which was played on 24 March 2010 in the Topsportcentrum in Almere. {{Cite web |title=Wedstrijd uitslagen 9124 - Mannen Senioren (Finale) - Finale Mannen Senioren Finale. - NBB Database, basketball statistieken |url=http://db.basketball.nl/db/wedstrijd/uitslag.pl?szn_Naam=2009-2010&cmp_ID=779&Sorteer=wed_Datum&LVactie=Wedstrijdgegevens |access-date=2024-02-26 |website=db.basketball.nl}}

ZZ Leiden won the final from ABC Amsterdam, winning its second national cup title.{{Cite news | url = http://nos.nl/artikel/146930-zz-leiden-verovert-basketbalbeker.html | title = ZZ Leiden verovert basketbalbeker | work = Nos.nl }} Danny Gibson was the top scorer in the final with 20 points. Leiden head coach Toon van Helfteren won his first NBB Cup title as a coach.