William Cameron Canby Jr. (born May 22, 1931) is a senior United States circuit judge of the United States Court of Appeals for the Ninth Circuit, sitting in Phoenix, Arizona.

Career output and lasting influence
Opinions attributed per year · peak 18/year
Later decisions citing those opinions, per year · peak 355/year
Ninth Circuit Court of Appeals · 1980–1996
Both charts share the same year axis. Opinion counts include only opinions in our corpus attributed to this judge so far — a year at zero can mean an attribution gap, not judicial silence. Influence typically outlasts the career: citations keep climbing after the last opinion.
- Gender
- Male
- Race
- White
Prior employment
- Arizona State UniversityProfessor of law · 1967–1980
- Makerere University, Kampala, UgandaVisiting Fulbright professor of law · 1970–1971
- President Harris Wofford, State University of New York at Old WestburySpecial assistant · 1967
- U.S. Peace Corps1962–1966
- ↳associate director, Ethiopia · 1962–1963
- ↳deputy director, Ethiopia, 1963-1964, director, Uganda · 1964–1966
- U.S. Sen. Walter F. Mondale of Minnesota, Washington, D.C.Special assistant · 1966
- Private practice, St. Paul, Minnesota1959–1962
Law clerk , Hon. Charles E. Whittaker · 1958–1959
U.S. Air Force lieutenant and judge advocate1956–1958- Office of Indian Law, Arizona State University College of LawDirector
Appointments
1980–1996 · Appointed by Jimmy Carter (Democratic)
Education
LL.B. · 1956- Yale UniversityB.A. · 1953