The 2018–19 Croatian Second Football League (also known as Druga HNL and 2.
The season started on 24 August 2018 and ended in May 2019.
On 23 April 2018, Croatian Football Federation announced that the first stage of licensing procedure for 2018–19 season was completed.
For the 2018–19 Druga HNL, only six clubs outside of top level were issued a second level license: Dinamo Zagreb II, Gorica, Hajduk Split II, Lučko, Osijek II and Sesvete.
[1] The following teams have mathematically secured their place in the 2018–19 Druga HNL.