The 2018-19 Kategoria e Dytë was the 47th official season of the Albanian football third division since its establishment. There were 27 teams competing this season, split in 2 groups. The winners of the groups played the league's final against each other and also gained promotion to the 2019-20 Kategoria e Parë. The runners-up qualified to the play-off round which they played against the 9th ranked teams in the 2018-19 Kategoria e Parë. Devolli and Tërbuni were promoted to the 2019-20 Kategoria e Parë. Tërbuni won their fourth Kategoria e Dytë title after beating Devolli in the final match.
Source: Soccerway Rules for classification: 1) points; 2) goal difference; 3) number of goals scored; 4) head-to-head points; 5) head-to-head goal difference; 6) draw. (Head-to-head record is applied for clubs with the same number of points only once all matches between said clubs have been played.) (C) Champions; (P) Promoted; (R) Relegated Notes:
^Tirana B were deducted 3 points after failing to show up in a match against Tërbuni.
^Kukësi B were deducted 3 points after failing to show up in a match against Klosi.
^Kevitan withdrew from the league during the season.
Source: Soccerway Rules for classification: 1) points; 2) goal difference; 3) number of goals scored; 4) head-to-head points; 5) head-to-head goal difference; 6) draw. (Head-to-head record is applied for clubs with the same number of points only once all matches between said clubs have been played.) (O) Play-off winners; (P) Promoted; (R) Relegated Notes:
^Term withdrew from the league during the season and were deducted 6 points.