William Alan Fletcher (born June 6, 1945) is a senior United States circuit judge of the United States Court of Appeals for the Ninth Circuit. Appointed by President Bill Clinton, Fletcher was confirmed by the U.S. Senate in 1998. Fletcher is a Professor (Emeritus) at the UC Berkeley School of Law, where he still teaches federal courts.

- Gender
- Male
- Race
- White
Prior employment
- University of California, Berkeley, Boalt Hall School of LawProfessor of law · 1977–1998
Law clerk , Hon. William J. Brennan · 1976–1977
Law clerk , Hon. Stanley A. Weigel · 1975–1976
U.S. Navy lieutenant1970–1972
Appointments
1998–2022 · Appointed by William J. Clinton (Democratic)
Education
J.D. · 1975- University of OxfordB.A. · 1970
- Harvard CollegeB.A. · 1968