| Richard Southam | |
| Birth Date: | 26 January 1907 |
| Birth Place: | Oxbow, Saskatchewan, Canada |
| Office1: | MP for Moose Mountain |
| Term Start1: | 1958 |
| Term End1: | 1968 |
| Predecessor1: | Ed McCullough |
| Office2: | MP for Qu'Appelle—Moose Mountain |
| Term Start2: | 1968 |
| Term End2: | 1972 |
| Predecessor2: | first |
| Successor2: | Alvin Hamilton |
| Party: | Progressive Conservative Party |
Richard Russell Southam (January 26, 1907 – August 26, 1994) was a Member of Parliament (MP) in the House of Commons of Canada. He represented the riding of Moose Mountain and later the newly created riding of Qu'Appelle—Moose Mountain, Saskatchewan. In June 1957, Southam lost to Edward George McCullough in the Moose Mountain riding. On March 31, 1958, he won the seat and retained it through the June 18, 1962, April 8, 1963, and November 8, 1965 general elections.[1]