The 2018–19 Basketball Bundesliga, known as the easyCredit BBL for sponsorship reasons, was the 53rd season of the Basketball Bundesliga (BBL), the top-tier level of professional club basketball in Germany.

Bayern Munich defended their title by defeating Alba Berlin in the finals.

[1] Alba Berlin, runners-up of the season, qualified for the 2019–20 EuroLeague as Bayern Munich was already given a wild card.

In the regular season, teams play against each other two times home-and-away in a round-robin format.

All three rounds of the playoffs are played in a best-of-five format, with the higher seeded team playing the first, third and fifth game at home.