Peter Fiorentino (born December 22,1968 in Sault Ste. Marie, Ontario) is a retired Canadian defenceman who played one game for the New York Rangers.

He played junior hockey for the Sault Ste. Marie Greyhounds from 1985 to 1989. The New York Rangers chose him 215th overall in the 1988 NHL Entry Draft.

Fiorentino played in the Rangers' farm system, mostly with the Binghamton Rangers, through the 1994-85 season. The Rangers brought him up for one game in the 1991-92 season.

He remained in the minor pros until his retirement in 1998.

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