Hacine "Billy" Cherifi (born 12 December 1967) is a French former professional boxer who competed from 1985 to 2005.

At regional level, he twice held the French middleweight title, firstly from 1995 to 1996 and again from 2002 to 2003.

Cherifi, known as "Billy", began his pro career in 1989 and challenged for the WBC super middleweight title in 1997 against Robin Reid, losing split decision.

In 1999, he lost the belt in his first defense to Holmes in a rematch via seventh-round knockout.

Cherifi was dominated and knocked down in Rounds 8 and 9, and lost by decision.