2018-19 Ligue de Hockey Cote-Sud season

This is the 2018-19 Ligue de Hockey Cote-Sud season. This is the league's seventh season.

Membership Changes

 * The Lotbinière Mercenaires join the league.

East Division Quarterfinal

 * St-Pascal Imperial defeated Trois-Pistoles CIEL-FM 2 games to none

East Division Semifinals

 * Montmagny Decor Mercier defeated St-Pascal Imperial 3 games to none
 * La Pocatiere Seigneurs defeated St. Jean-Port-Joli Pavage Jirico 3 games to 1

West Division Semifinals

 * Sainte-Marie Giovannina defeated St-Charles Eperviers 3 games to 2
 * St-Damien Plastiques Moore defeated Lotbinière Mercenaires 3 games to none

East Division Final

 * Montmagny Decor Mercier defeated La Pocatiere Seigneurs 4 games to 3

West Division Final

 * Sainte-Marie Giovannina defeated St-Damien Plastiques Moore 4 games to 3

League Final

 * Sainte-Marie Giovannina defeated Montmagny Decor Mercier 4 games to 1