Diane Joyce Humetewa ( HOO-mə-TAY-wə; born 1964) is a United States district judge of the United States District Court for the District of Arizona. Humetewa is the first Native American woman and the first enrolled tribal member to serve as a U.S. federal judge. She previously served as the United States Attorney for the District of Arizona from 2007 to 2009. Humetewa is also a Professor of Practice at Arizona State University's Sandra Day O'Connor College of Law.

- Gender
- Female
- Race
- American Indian
Prior employment
- Arizona State University College of LawProfessor of practice · 2011–2014
- Office of General Counsel, Arizona State UniversitySpecial advisor to the president and special counsel · 2011–2014
- Private practice, Phoenix, Arizona2009–2011
U.S. attorney for the District of Arizona2007–2009- The Hopi Tribe, Keams Canyon, ArizonaActing chief prosecutor · 2009
District of ArizonaAssistant U.S. attorney · 1998–2007- ↳senior litigation counsel · 2001–2007
- ↳U.S. Senate Committee on Indian Affairs (on detail) · 2005–2006
- Hopi Appellate Court, Keams Canyon, ArizonaJudge · 2002–2007
Office of Tribal Justice, U.S. Department of JusticeCounsel to the deputy attorney general · 1996–1998- ↳special assistant U.S. attorney, District of Arizona · 1997–1998
- U.S. Senate Committee on Indian AffairsDeputy counsel · 1993–1996
Appointments
2014–present · Appointed by Barack Obama (Democratic)
Education
- Arizona State University College of Law (now Sandra Day O’Connor College of Law)J.D. · 1993
- Arizona State UniversityB.S. · 1987
- Phoenix CollegeA.A.S. · 1985