Oskar Nilsson
Oscar or Oskar Nilsson may refer to:
- Oscar Nilsson (equestrian), Swedish vaulter who competed in the 1920 Summer Olympics
- Oskar Nilsson (equestrian), Swedish vaulter who competed in the 1920 Summer Olympics
- Oskar Nilsson (drummer), Swedish drummer
- Oskar Nilsson (ice hockey), Swedish ice hockey defenceman
- Nils Oskar Nilsson, Swedish politician