| Maurice Riemer Calhoun, Sr. | |
| Office: | Louisiana State Senator for DeSoto and Caddo parishes (now District 38) |
| Term Start: | 1944 |
| Term End: | 1952 |
| Preceded: | Lloyd Hendrick Joe T. Cawthorn |
| Succeeded: | B. H. "Johnny" Rogers Charles Emery Tooke, Jr. |
| Birth Date: | 5 April 1909 |
| Birth Place: | Place of birth missing |
| Death Place: | Mansfield, DeSoto Parish Louisiana, USA |
| Residence: | Mansfield, Louisiana |
| Alma Mater: | Centenary College of Louisiana |
| Occupation: | Businessman; farmer |
| Spouse: | (1) Clista Andrews Calhoun (married 1933–1952, her death) (2) Evelyn Hope Ryder Calhoun (married c. 1955-1994, his death) |
| Children: | From first marriage: Riemer Calhoun, Jr. Carolyn C. Huckabay Thomas Allen Calhoun |
| Parents: | Murry A. and Ruby Calhoun |
Maurice Riemer Calhoun Sr. (April 5, 1909 - August 4, 1994),[1] was Louisiana politician who served in the Louisiana State Senate as a Democrat from 1944 to 1952, representing parts of DeSoto and Caddo parish.[2] Calhoun later managed the 1952 presidential campaign in DeSoto Parish for Republican presidential nominee Dwight D. Eisenhower, who won the parish,[3] but lost the electoral vote of Louisiana.