Miscellaneous
- Clara Barton, founder of the American Red Cross
- John Wilkes Booth, assassinated President Abraham Lincoln
- Cæcilius Calvert, 2nd Baron Baltimore, First proprietary governor of the Maryland Colony
- John Carroll, first Roman Catholic archbishop in the US
- Robert Curbeam, astronaut
- Henry De Butts, United States Army officer, acting Adjutant General and acting Inspector General from 1792 to 1793
- Stephen Decatur, naval hero of the War of 1812
- Michel Faulkner, pastor and NYC politician
- Duff Goldman, owner of Charm City Cakes, star of Ace of Cakes
- Michael Hardt, literary theorist and political philosopher
- Ed Hale, businessman, owner Baltimore Blast
- Matthew Henson, explorer
- Alger Hiss, UN official accused of being a Soviet spy in 1948, convicted of perjury in 1950.
- Johns Hopkins, businessman and philanthropist
- Francis Scott Key, writer of the national anthem
- Mel Kiper, Jr., ESPN football analyst, known especially for his draft coverage
- Little Albert, subject of John B. Watson's controversial case study on classical conditioning
- Jacob Lumbrozo, first Jew to permanently settle in the New World
- Charles A. May, U.S. Army cavalry officer, considered a hero of the Mexican War
- Samuel Mudd, physician convicted and imprisoned for aiding and conspiring with John Wilkes Booth
- Bronza Parks, boatbuilder
- Bob Parsons, CEO and founder of Go Daddy
- George Peabody, founder of the Peabody Institute, philanthropist
- Frank Perdue, president of Perdue Farms
- Kevin Plank, CEO and founder of Under Armour
- John Rawls, philosopher
- Hilary Rhoda, model
- Cadwalader Ringgold 1802-1867, US Navy Officer during the Civil War, Explorer
- James Rouse, city planner
- Christian Siriano, winner of Season 4 of Project Runway
- Raymond A. Spruance, admiral
- Ben Stein, actor, author, economist, former political speechwriter
- Robert Stethem, U.S. Navy Seabee diver killed by Hezbollah militants during the hijacking of TWA Flight 847
- Harriet Tubman, leader on the Underground Railroad
- Matthew VanDyke, freedom fighter and Prisoner of War (POW) in the 2011 Libyan Civil War
- Bill Wilson, head of Americans for Limited Government
- George Young, NFL executive
Read more about this topic: List Of People From Maryland