* Gregory Chamitoff (B.S. in mechanical engineering, 1978)
* Robert Gibson (B.S. in physics, 1974; M.S. in physics, 1975)
* Michael López-Alegría (B.S. in engineering physics, 1980; M.S. in engineering physics, 1981)
Athletes:
* Gary Sheffield (B.A. in communications, 1990) - Major League Baseball player
* Brian Wilson (B.A. in communications, 2003) - Major League Baseball pitcher
* Troy Percival (B.A. in communications, 1994) - Major League Baseball pitcher
* Cherie Piper (B.S. in physical education, 1984) - Olympic gold medalist in synchronized swimming
* Karch Kiraly (B.S. in physical education, 1983) - Olympic gold medalist in volleyball
Actors/Entertainers:
* Chris Carter (B.A. in journalism, 1981) - Creator and executive producer of "The X-Files"
* David E. Kelley (B.A. in political science, 1975) - Creator and executive producer of "The Practice," "Ally McBeal," "Boston Legal," and "Big Little Lies"
* Steve Carell (B.A. in communications, 1984) - Actor, comedian, and writer
* Kevin Costner (B.S. in marketing, 1978) - Actor, director, and producer
Business Leaders:
* Mark Cuban (B.S. in business administration, 1981) - Owner of the Dallas Mavericks and chairman of AXS TV
* Scott Cook (B.S. in accounting, 1974) - Cofounder and CEO of Intuit
* Tom Kelley (B.A. in graphic design, 1977) - General manager of IDEO and author of "The Art of Innovation"
* Meg Whitman (B.S. in economics, 1977) - Former CEO of Hewlett-Packard and current CEO of Quibi
Politicians:
* Bob Dornan (B.S. in business administration, 1958) - Former U.S. Representative for the 42nd District of California
* Dana Rohrabacher (B.A. in history, 1968) - Former U.S. Representative for the 48th District of California
* Loretta Sanchez (B.A. in political science, 1980) - Former U.S. Representative for the 46th District of California
* Mimi Walters (B.S. in business administration, 1983) - Former U.S. Representative for the 45th District of California