| John G. Williams Jr. | |
| Birth Date: | 24 July 1924 |
| Birth Place: | Portland, Oregon, US |
| Death Place: | Fort Lewis, Washington, US |
| Branch: | United States Navy |
| Serviceyears: | 1946–1983 |
| Rank: | Admiral |
Admiral John Grouille Williams Jr. (July 24, 1924 – October 4, 1991) was a four-star admiral who served as Chief of Naval Material (CNM), 1981–1983.
Williams was born on July 24, 1924, in Portland, Oregon, the son of John G. and Julia (Hoare) Williams.[1] He was raised in Ilwaco, Washington, where he graduated from Ilwaco High School.
Williams graduated from the United States Naval Academy in 1946 as a member of the class of 1947.
He served aboard the,, and . He was commanding officer of, and, and the Squadron at Rota, Spain.
He retired from the navy in 1983 and died on October 4, 1991, of lung cancer.[2] [3]