2009–10 Croatian Second Football League

The 2009–10 Druga HNL (also known as 2.HNL) was the 19th season of Croatia's second level football competition since its establishment in 1992. Istra 1961 were league champions and were promoted to Prva HNL at the end of the previous season. The league featured 14 clubs, playing in a double round robin league system. The season started on 22 August 2009 and ended on 29 May 2010.

2009–10 Croatian Second Football League

The 2009–10 Druga HNL (also known as 2.HNL) was the 19th season of Croatia's second level football competition since its establishment in 1992. Istra 1961 were league champions and were promoted to Prva HNL at the end of the previous season. The league featured 14 clubs, playing in a double round robin league system. The season started on 22 August 2009 and ended on 29 May 2010.