| Manley Justin Edwards | |
| Term Start: | 1940 |
| Term End: | 1945 |
| Predecessor: | Douglas Cunnington |
| Successor: | Arthur LeRoy Smith |
| Birth Date: | February 18, 1892 |
| Birth Place: | Caistorville, Ontario |
| Death Place: | Calgary, Alberta |
| Profession: | teacher, lawyer |
| Party: | Liberal Party |
| Riding: | Calgary West |
Manley Justin Edwards (February 18, 1892 – May 8, 1962) was a barrister, teacher and Canadian federal politician.
Edwards ran as a Liberal candidate in the 1940 Canadian federal election. He defeated Douglas Cunnington, the Conservative Member of Parliament for Calgary West, in a hotly contested race. Edwards and George Henry Ross, who was elected in the same Liberal landslide victory, became the first two Liberal MPs to represent Calgary ridings. He served one term in office before retiring in 1945.