Manson K. Brown (born 1956) is an American retired U.S. Coast Guard Vice Admiral (VADM) and public official.

He also holds Master of Science degrees in Civil Engineering from the University of Illinois at Urbana–Champaign and National Resources Strategy from the Industrial College of the Armed Forces.

From 1999 to 2002, he served as the Military Assistant to the U.S. Secretary of Transportation, including duty as the Acting Deputy Chief of Staff for six months after the terrorist attacks of September 11, 2001.

From April to July 2004, he was temporarily assigned as the Senior Advisor for Transportation to the Coalition Provisional Authority in Baghdad, Iraq.

Building on his technical competence as a registered professional civil engineer, his last assignment on active duty was as Deputy Commandant for Mission Support in Washington, DC, where he oversaw all aspects of human resources, engineering, information technology, acquisition, and logistics support for Coast Guard operations and people throughout the globe.