David Worth Dennis II (June 7, 1912 – January 6, 1999) was an attorney and Republican United States Representative from Indiana.
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. His father, William Cullen Dennis was president of Earlham College. He graduated from Sidwell Friends School in 1929 and earned an A.B. degree from Earlham College in 1933. He also received an LL.B. (now J.D.) from Harvard Law School in 1936. He was admitted to the bar in 1935 and commenced practice in Richmond, Indiana in 1936.
Dennis served as the prosecuting attorney for Wayne County, Indiana from 1939-1943. He enlisted in the United States Army and served from 1944-1946. He was commissioned a first lieutenant, JAG department, and served in the Pacific Theater. He was elected state representative from Wayne County to the Indiana General Assembly and served 1947-1949. He was also a joint State representative from Wayne and Union Counties from 1953 to 1959.
He was elected as a Republican to the Ninety-first Congress and reelected twice (January 3, 1969 - January 3, 1975). 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. He was defeated for reelection that same year. He resumed the practice of law until his death in Richmond in 1999.