The 2019 1. deild karla (English: Men's First Division) was the 65th season of second-tier Icelandic football.
Twelve teams contested the league.
The season began on 4 May and concluded on 21 September.
[1] The league was contested by twelve clubs.
Eight remained in the division from the 2018 season, while four new clubs joined the 1. deild karla: