The 2018–19 Armenia Basketball League A is the second season of the basketball first division of Armenia.
Artsakh are the defending champions.
The regular season consists in a double-legged round-robin tournament where the six teams qualify for the playoffs.
[1] Two teams were relocated: Urartu Vivaro from Yerevan to Vanadzor and Artsakh from Stepanakert to Yerevan.
The playoffs are played in a best-of-seven format, with the series starting 1–1 or 2–0 depending on the head-to-head games in the regular season.