Österbotten is the name of a geographical region in Finland which can refer to:
- Ostrobothnia, or Österbotten/Pohjanmaa - a Historical province of Sweden
- Oulu, or Uleåborgs län/Oulun lääni - a current Province of Finland
- Western Finland, or Västra Finlands län/Länsi-Suomen lääni - a current Province of Finland
- Northern Ostrobothnia, or Norra Österbotten/Pohjois-Pohjanmaa - a current Region of Finland
- Southern Ostrobothnia, or Södra Österbotten/Etelä-Pohjanmaa - a current Region of Finland
- Ostrobothnia, or Österbotten/Pohjanmaa - a current Region of Finland
- Central Ostrobothnia, or Mellersta Österbotten/Keski-Pohjanmaa - a current Region of Finland