The 2018 2. deild karla was the 53rd season of third-tier football in Iceland.
Twelve teams contested the league.
Play began on 5 May and conclude on 22 September.
[1] The league will be contested by twelve clubs, eight of which played in the division during the 2017 season.
There are four new clubs from the previous campaign: Each team plays every opponent once home and away for a total of 22 matches per club, and 132 matches altogether.