Olli Juolevi (Finnish pronunciation: ; born 5 May 1998) is a Finnish professional ice hockey defenceman for the Utica Comets of the American Hockey League (AHL) as a prospect for the Vancouver Canucks of the National Hockey League (NHL). He was selected fifth overall by the Canucks in the 2016 NHL Entry Draft. Born and raised in Finland, Juolevi developed in the Jokerit program before he moved to North America to play major junior hockey with the Ontario Hockey League (OHL)'s London Knights in 2015. After one season with London, he was drafted by the Canucks.
Internationally, Juolevi has represented Finland in three World Junior Championships, winning gold at the 2016 tournament.
At age 14, Juolevi began playing junior hockey in Finland for Jokerit's U16 team in 2012–13. By the following year, he was playing for Jokerit's U20 team in the Jr. A SM-liiga. After scoring 32 points (6 goals and 26 assists) in 44 games, he was named to the league's First All-Star Team and awarded Rookie of the Year. During the off-season, Juolevi was selected 45th overall by the London Knights of the Ontario Hockey League (OHL) at the 2015 Canadian Hockey League Import Draft. Juolevi committed to the Knights shortly thereafter, leaving his junior career in Finland.