Joachim Alcine (born March 26, 1976) is a Haitian-Canadian professional boxer fighting out of Montreal, Quebec, where he now resides.

[citation needed] On December 7, 2007, he successfully defended his title by TKO in the 12th round against Panamanian Alfonso Mosquera at the Bell Centre in Montreal, Quebec, Canada.

The fight was declared a majority decision over 12 rounds, awarding Alcine the WBC International Middleweight title.

On September 15, 2012 Alcine faced Irish brawler and two-time World Title challenger Matthew Macklin (at the time 28–4, 19 KO's) on the HBO PPV Undercard of Julio César Chávez Jr. vs. Sergio Martinez for the WBC Middleweight Title in the Thomas & Mack Center, Las Vegas.

Alcine was knocked down twice and the referee stopped the fight with about 30 seconds left in the round giving Macklin a 1st-round TKO victory.