Lord Baltimore may refer to:

• Lord Henry Baltimore, eponymous character of the Baltimore by Mike Mignola and Christopher Golden
• Lord Baltimore, Indian tracker in feature film Butch Cassidy and the Sundance Kid (1969)

• Baron Baltimore, an extinct title in the Peerage of Ireland:
  • George Calvert, 1st Baron Baltimore (1580–1632)
  • Cecil Calvert, 2nd Baron Baltimore (Lord Baltimore), the original namesake of the City of Baltimore, Maryland and adjacent Baltimore County
  • Charles Calvert, 3rd Baron Baltimore (1637–1715)
  • Benedict Calvert, 4th Baron Baltimore (1679–1715)
  • Charles Calvert, 5th Baron Baltimore (1699–1751)
  • Frederick Calvert, 6th Baron Baltimore (1731–1771)

• Baltimore and Ohio No. 2 Lord Baltimore, steam locomotive of the Baltimore and Ohio Railroad
• Lord Baltimore Hotel, on West Baltimore and North Hanover Streets, in downtown Baltimore, Maryland
• Lord Baltimore (streetcar truck), a streetcar truck built by the Baltimore Car Wheel Company in Baltimore, Maryland, US
• "Lord Baltimore" (The Blacklist), an episode of the American TV series The Blacklist

• Sir Lord Baltimore, an American heavy metal band
  • Sir Lord Baltimore (album), 1971 eponymous album
  • Sir Lord Baltimore III Raw, 2006 album

• Baltimore (disambiguation)