John J. "Jack" Daley (June 21, 1923 – June 15, 2000) was an American politician, a Democrat from Rutland, Vermont.
John J. Daley was born in Rutland on June 21, 1923. He graduated from Mount St. Joseph Academy in 1942 and joined the United States Marine Corps for World War II, serving with the 1st Marine Division in the Pacific Theatre of Operations, including the invasion of Okinawa and assignment to China.
After the war Daley completed his education at Norwich University, receiving his bachelor's degree in 1949 and embarking on a career as a pharmaceutical sales representative. He later became a teacher and coach at Rutland Junior High School.
A Democrat, Daley served on the Rutland Board of Aldermen from 1956 to 1960, including two years as President of the Board. From 1961 to 1965 Daley served as Rutland's Mayor.
Daley served two terms (1965–1969) as the 69th Lieutenant Governor of Vermont under three-term Governor Philip H. Hoff. They were the first Democrats to hold two top state positions since the founding of the Republican Party in the 1850s.
In 1968 Daley ran unsuccessfully for Governor, losing to Deane C. Davis.