| Marcus Beach Campbell | |
| Office: | Judge of the United States District Court for the Eastern District of New York |
| Term Start: | January 3, 1923 |
| Term End: | August 3, 1944 |
| Appointer: | Warren G. Harding |
| Predecessor: | Seat established by 42 Stat. 837 |
| Successor: | Harold Maurice Kennedy |
| Birth Name: | Marcus Beach Campbell |
| Birth Date: | 18 November 1866 |
| Birth Place: | Newark, New Jersey |
| Death Place: | Brooklyn, New York |
| Education: | New York University School of Law (LL.B.) |
Marcus Beach Campbell (November 18, 1866 – August 3, 1944) was a United States district judge of the United States District Court for the Eastern District of New York.
Born in Newark, New Jersey, Campbell earned his Bachelor of Laws from New York University School of Law. He was a Judge of the Kings County Court in New York from 1918 to 1923.
Campbell was nominated by President Warren G. Harding on December 28, 1922, to the United States District Court for the Eastern District of New York, to a new seat authorized by 42 Stat. 837. He was confirmed by the United States Senate on January 3, 1923, and received his commission the same day. His service terminated on August 3, 1944, due to his death in Brooklyn, New York.