David Worth Dennis II (June 7, 1912 – January 6, 1999) was an American attorney and Republican United States Representative from Indiana from 1969 to 1975.

He was born in Washington, D.C., and was named for his grandfather, David Worth Dennis who had been a professor at Earlham College in Richmond, Indiana.

He was elected state representative from Wayne County to the Indiana General Assembly and served 1947–1949.

Dennis was a staunch defender of President Richard M. Nixon during the Watergate scandal.

As a member of the House Judiciary Committee, Dennis was in the minority voting to oppose impeachment of the president in 1974.