The Liga Națională de Baschet Masculin (LNBM) (English: National League) is the top-tier professional basketball league of Romania. The winner of the league each season is crowned the Romanian national champion. Founded in 1950, the league consists of 24 teams playing in three different divisions. Currently, the clubs from the Liga Națională also participate in the European competitions, and can qualify for the Basketball Champions League or the FIBA Europe Cup based on their performance in the national league and cup competition. The most successful club in the league's history is Dinamo București, who has won a record 22 titles. Asesoft Ploieşti won the championship seven times in a row between 2004 and 2010, and again between 2012 and 2014. They became the only Romanian team to win a European title with their success in the FIBA EuroCup Challenge in 2005.

Rumeenia LNB (Rummu Basketballikorvpalliliit) on Rumeenia kõrgeim professionaalne korvpalliliiga. See loodi 1994. aastal ja on koosnenud 12 meeskonnast. Liiga hooaeg kestab oktoobrist maini ja seda mängitakse regulaarhooaja ja väljalangemismängude formaadis. LNB meistritiitel on üks Rumeenia spordi kõige ihaldatumaid trofeesid. Viimase kümne aasta jooksul on liiga domineerinud BC CSU Sibiu, kes on võitnud viis tiitlit. Teised tiitlile pretendeerivad meeskonnad on BC Timisoara, CSO Voluntari ja SCM Craiova. LNB on tuntud oma intensiivse mängu, andekate mängijate ja kirglike fännide poolest. See on üks Euroopa kõige konkurentsivõimelisemaid korvpalliliigasid ja see pakub alati põnevat vaatemängu.