2018–19 Premier League of Bosnia and Herzegovina

The 2018–19 Premier League of Bosnia and Herzegovina, known as Liga 12 and also known as BH Telecom Premier League for sponsorship reasons, is the 19th season of the Premier League of Bosnia and Herzegovina, the highest football league of Bosnia and Herzegovina.

Regular season
This season has a two-stage format. In the regular season, each of the 12 teams play home-and-away once, resulting in 22 games played each. The top six teams in the regular season qualify for the Championship round, the bottom six teams qualify for the Relegation round. Each team then plays home-and-away against the other teams within their own group, for an additional ten games played each, a season total of 32 games.