| John Malach Shaw | |
| Office: | Senior Judge of the United States District Court for the Western District of Louisiana |
| Term Start: | November 15, 1996 |
| Term End: | December 24, 1999 |
| Office1: | Chief Judge of the United States District Court for the Western District of Louisiana |
| Term Start1: | 1991 |
| Term End1: | 1996 |
| Predecessor1: | Tom Stagg |
| Successor1: | F. A. Little Jr. |
| Office2: | Judge of the United States District Court for the Western District of Louisiana |
| Term Start2: | September 26, 1979 |
| Term End2: | November 15, 1996 |
| Appointer2: | Jimmy Carter |
| Predecessor2: | Seat established by 92 Stat. 1629 |
| Successor2: | Robert G. James |
| Birth Name: | John Malach Shaw |
| Birth Date: | 14 November 1931 |
| Birth Place: | Beaumont, Texas |
| Death Place: | Lafayette, Louisiana |
| Education: | Washington and Lee University (BS) |
John Malach Shaw (November 14, 1931 – December 24, 1999) was a United States district judge of the United States District Court for the Western District of Louisiana.
Born in Beaumont, Texas, Shaw received a Bachelor of Science degree from Washington and Lee University in 1953 and a Juris Doctor from the Paul M. Hebert Law Center at Louisiana State University in 1956. He was in the United States Army from 1956 to 1958, and then in the United States Army Reserve until 1964, achieving the rank of captain. He was in private practice in Opelousas, Louisiana from 1958 to 1979.
On June 5, 1979, Shaw was nominated by President Jimmy Carter to a new seat on the United States District Court for the Western District of Louisiana created by 92 Stat. 1629. He was confirmed by the United States Senate on September 25, 1979, and received his commission on September 26, 1979. He served as Chief Judge from 1991 to 1996, assuming senior status on November 15, 1996. He served in that capacity until his death on December 24, 1999, in Lafayette, Louisiana.