Derek Roy
- Sport: hockey
- Team: Buffalo Sabres
- Nationality: Canada
- Birth date: 1983-05-04 (25 years)
- Place of birth: Ottawa, Canada
- Nickname: "Roysy"
Derek Roy plays center forward position in the Buffalo Sabres. He was drafted by the team in 2001 after having been awarded the Rookie of the Year trophy in the Ontario Hockey League (OHL) with 87 points and following up with 81 points in the 2000/01 season.
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