Tresfjord or Tresfjorden may refer to:

• Tresfjord, a former municipality in Møre og Romsdal county, Norway (known as Sylte from 1899-1922)
• Tresfjord (village), a village in Vestnes municipality, Møre og Romsdal county, Norway
• Tresfjorden, a fjord in Vestnes municipality, Møre og Romsdal county, Norway
• Tresfjord Church, a church in Vestnes municipality, Møre og Romsdal county, Norway
• Tresfjord Bridge, a bridge in Vestnes municipality, Møre og Romsdal county, Norway

• American Fox-sedge
• American Freedom
• American Freedom Agenda Act
• American Freedom Agenda Act of 2007
• American Freedom and Catholic Power
• American Freedom Mortgage, Inc.
• American Freedom Party
• American Freedom Train
• American Freedom Train - 1947-1949 station stops
• American Freedom Train - 1947–1949 station stops
• American Freedom Train - 1975-76 station stops
• American Freedom Train - 1975–76 station stops
• American Freedom Train – 1947–1949 station stops
• American Free Journal
• American Freestyle Association
• American Freestyle Motocross Association
• American Freestyle Motocross Association (AFMXA)
• American-French Genealogical Society
• American Fried Rice
• American Friendship Train
• American Friends of the British Museum
• American friends of the british national party
• American Friends of the British National Party
• American Friends of The Hebrew University
• American friends of the hebrew university