Thomas G. Allan Jr.

Thomas George Allan Jr. (born 12 October 1965) is a United States Coast Guard admiral who has served as the 35th vice commandant of the Coast Guard since 27 February 2026. He previously served as the acting vice commandant of the Coast Guard, in place of Admiral Kevin Lunday, from 3 July 2025 to 26 February 2026. Prior to that, he served as the deputy commandant for mission support from 2024 to 2025. He previously served as director of operations of the United States Southern Command from 2022 to 2024, and as commander of Coast Guard First District from 2020 to 2022.

In January 2024, Allan was nominated by the president for promotion to vice admiral and assignment as deputy commandant for mission support. In October 2025, Allan was nominated by the president for promotion to admiral, and to be permanently assigned as the vice commandant. He was confirmed by the Senate on 5 February 2026,