| M. James Lorenz | |
| Office: | Senior Judge of the United States District Court for the Southern District of California |
| Term Start: | October 25, 2009 |
| Office1: | Judge of the United States District Court for the Southern District of California |
| Term Start1: | October 5, 1999 |
| Term End1: | October 25, 2009 |
| Appointer1: | Bill Clinton |
| Predecessor1: | Rudi M. Brewster |
| Successor1: | Anthony J. Battaglia |
| Office2: | United States Attorney for the Southern District of California |
| Term Start2: | 1980 |
| Term End2: | 1981 |
| President2: | Jimmy Carter |
| Predecessor2: | Michael J. Walsh |
| Successor2: | William H. Kennedy |
| Birth Name: | Myron James Lorenz[1] |
| Birth Date: | 13 October 1935[2] |
| Birth Place: | Pasadena, California |
| Education: | University of California at Berkeley (BA) California Western School of Law (JD) |
| Branch: | United States Marine Corps United States Marine Corps Reserve |
| Serviceyears: | 1957-1960 |
Myron James Lorenz (born October 13, 1935) is a senior United States district judge of the United States District Court for the Southern District of California.
Born in Pasadena, California, Lorenz received a Bachelor of Arts degree from the University of California at Berkeley in 1957 and a Juris Doctor from California Western School of Law in 1965, where he was a member of the Campbell E. Beaumont chapter of Phi Alpha Delta.
Lorenz was a Deputy district attorney of San Diego County District Attorney's Office, from 1966 to 1978. He was an Assistant United States Attorney for the Southern District of California from 1978 to 1981. He was First Assistant United States Attorney from 1978 to 1980. He was a Court appointed United States Attorney from 1980 to 1981. He was in private practice in San Diego from 1982 to 1999. He served in the United States Marine Corps from 1957 to 1960[3] and in the United States Marine Corps Reserve.[4]
Lorenz is a United States District Judge of the United States District Court for the Southern District of California. Lorenz was nominated by President Bill Clinton on March 8, 1999, to a seat vacated by Rudi M. Brewster. He was confirmed by the United States Senate on October 1, 1999, and received commission on October 5, 1999. He assumed senior status on October 25, 2009.