is a municipality in the southwestern part of Sogn og Fjordane county, Norway. It is part of the traditional district of Sogn. The administrative center of the municipality is the village of Eivindvik. Other villages in Gulen include Brekke, Byrknes, Dalsøyra, Dingja, Instefjord, Mjømna, Rutledal, and Ytre Oppedal.

Gulen or Gülen may refer to:

• Fethullah Gülen (born 1941), Turkish preacher, author, and Islamic opinion leader
• Levent Gülen (born 1994), Turkish-Swiss footballer
• Nur Mustafa Gülen (born 1960), Turkish footballer and coach