Thomas G. Allan Jr.

Thomas George Allan Jr. is a United States Coast Guard vice admiral who has served as the acting vice commandant of the Coast Guard, in place of Admiral Kevin Lunday, since mid-2025. He most recently 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 for promotion to vice admiral and assignment as deputy commandant for mission support.