Douglas William Domenech is an American government official who served as the Assistant United States Secretary of the Interior for Insular Areas in the Trump administration from 2017 to 2021.

[2] Born August 5, 1955, in Georgia, Douglas W. Domenech grew up in a military family and lived in Panama, the Dominican Republic, and the father's native island of Puerto Rico as a child.

Doug Domenech served in the George W. Bush administration in the Department of the Interior as White House Liaison and as Deputy Chief of Staff.

Domenech was one of six political appointees of the Trump administration at the Interior Department under investigation for having "violated federal ethics rules by engaging with their former employers or clients on department-related business.

[8] According to his calendar, on April 6, 2017, Domenech had two meetings with his former employer, the Texas Public Policy Foundation,[9] while the think tank was also a party to lawsuits against the Interior Department.