Gästrikland is the name of a geographical region in Sweden which can refer to:

• Gestricia, or Gästrikland - a historical Province of Sweden
• Part of Gävleborg County, or Gävleborgs län - a current County of Sweden
• Part of Hudiksvall County, or Hudiksvalls län - a former county
• Part of Norrland County, or Norrlands län - a former county