Oulun may refer to:

• Oulun Energia Areena, arena in the Raksila district of Oulu, in Finland
• Oulun Kärpät, ice hockey team in the SM-liiga based in Oulu, Finland
• Oulun Luistinseura (or OLS), Finnish multi-sports club, based in Oulu
• Oulun Lyseon Lukio, Finnish school in the city of Oulu in northern Finland
• Oulun Palloseura or OPS is a Finnish multi-sports club based in Oulu
• Oulun Palloseura (football), OPS for short, is a Finnish football club based in Oulu
• Oulun Tervahiihto or Tervahiihto is an annual ski marathon held in Oulu, Finland

This disambiguation page lists articles associated with the title Oulun.
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