Admiral James Milton Loy (born August 10, 1942) served as Acting United States Secretary of Homeland Security in 2005 and United States Deputy Secretary of Homeland Security (DHS) from December 4, 2003, to March 1, 2005. Prior to his appointment as Deputy Secretary, he served as the second administrator of the Transportation Security Administration from 2002 to 2003, and before that as the Commandant of the Coast Guard from 1998 to 2002.