Robert Lee Davis (October 29, 1893 – May 5, 1967) was a Republican member of the U.S. House of Representatives from Pennsylvania.
During the First World War he served in the United States Navy.
After the war, he served as assistant executive director of the Republican central campaign committee of Philadelphia from 1928 to 1932, and as director of the Republican city committee from 1932 to 1935.
Davis was elected as a Republican to the Seventy-second Congress to fill the vacancy caused by the resignation of United States Representative George A. Welsh.
He worked as a businessman, real-estate broker, and commissioner of the Pinellas County Commission from 1962 to 1967.