RKL (Lithuanian: Regioninė Krepšinio Lyga, English: Regional Basketball League) is a third Lithuania basketball league. Regional Basketball League started their activity in 2005. RKL consists of 32 basketball teams from 28 Lithuania cities. Regions divided to four groups: Aukštaitija, Žemaitija, Suvalkija and center of Lithuania. Each group has eight basketball teams. In the 2006-2007 RKL season, there was some differences as the regions was divided to two groups: East and West of Lithuania and the number of participants was 28 (14 teams for each group). There is B Division of RKL, which is the 4th tier basketball league of Lithuania.

Litauen - RKL er Litauens næstbedste basketballliga efter LKL. Ligaen blev grundlagt i 1993 og består af 20 hold, der spiller en regulær sæson efterfulgt af slutspil. RKL er kendt for sit høje konkurrenceniveau og sine hold med unge og talentfulde spillere. Ligaen har været en vigtig udviklingsrute for mange litauiske basketballspillere, der senere har opnået succes på internationalt plan.