Benoit-Olivier "Bo" Groulx (born February 6, 2000) is a Canadian major junior ice hockey forward currently playing for the Halifax Mooseheads of the Quebec Major Junior Hockey League (QMJHL). Groulx was drafted 54th overall by the Anaheim Ducks in the 2018 NHL Entry Draft.
Groulx was selected first overall by the Halifax Mooseheads in the 2016 QMJHL Entry Draft. In his first season with the Mooseheads, in 2016–17 he appeared in 62 regular season games, scoring 14 goals and 17 assists. Groulx played 6 games in the playoffs for the Mooseheads, adding a goal and an assist where they were eliminated in the first round by the Rouyn-Noranda Huskies.
Although born in France, Groulx has represented Canada in international competition and has played in the 2016 Winter Youth Olympics where he played 6 games for Canada scoring 4 goals with 2 assists. He also competed in the 2016 World U-17 Hockey Challenge where he played for Canada Red. The team finished first in Group B and Groulx played 5 games for the team, scoring 1 goal and 1 assist. Although not a tournament regulated by the International Ice Hockey Federation but still considered a major event for under-18 players; Groulx next played in the 2017 Ivan Hlinka Memorial Tournament where he played 5 games for Canada scoring 1 goal and 2 assists with 6 penalty minutes, winning gold with the team.