William P. James (January 10, 1870 – July 28, 1940) was a United States district judge of the United States District Court for the Southern District of California.

- Gender
- Male
- Race
- White
Prior employment
- California Court of AppealJudge · 1910–1923
- Superior Court of California, County of Los AngelesJudge · 1905–1910
- Private practice, Los Angeles, California
Appointments
1923–1940 · Appointed by Warren G. Harding (Republican)Term ended: Death