| John W. Connolly | |
| Order: | 48th |
| Office: | Lieutenant Governor of Michigan |
| Term Start: | 1949 |
| Term End: | 1950 |
| Governor: | G. Mennen Williams |
| Predecessor: | Eugene C. Keyes |
| Successor: | William C. Vandenberg |
| Birth Date: | 4 July 1911 |
| Birth Place: | Detroit, Michigan, U.S. |
| Death Place: | Detroit, Michigan, U.S. |
| Party: | Democratic |
| Alma Mater: | Georgetown University Law School |
| Serviceyears: | 1942-1946 |
| Rank: | Lieutenant |
| Battles: | World War II |
John W. Connolly (July 4, 1911July 11, 1981) was the 48th lieutenant governor of Michigan.
Connolly was born in Detroit, Michigan, on July 4, 1911.[1] Connolly graduated from Georgetown University Law School in 1936. In 1937, he began work as a lawyer.[2]
In 1942, Connolly joined the United States Naval Reserve, where he served until 1946. In the service, he earned the rank of Senior Grade Lieutenant. His work as a lawyer was interrupted by his military service, and he returned to working as a lawyer afterwards.[2]
In 1949, Connolly was sworn in as Lieutenant Governor of Michigan, as running mate to G. Mennen Williams.[2] At the end of his term, in 1950, he sought re-election unsuccessfully, and tried again in 1952. Connolly ran for circuit judge in Michigan 3rd Circuit in 1964 and 1966, both runs unsuccessful.[1]
Connolly was a member of both Veterans of Foreign Wars and the American Legion. Connolly was Catholic.[1]
Connolly died on July 11, 1981, in Detroit.[1]