List
Selected Loyola alumni
Michael D. Griffin, NASA administrator
Herbert O'Conor, 51st Governor of Maryland
Michael Phelps, swimmer
Zach Thornton, soccer goalkeeper
Academic
- Jason J. Corso, Professor of Robotics and Electrical Engineering & Computer Science, University of Mcighian
- Emory Elliott, Professor of American literature and advocate for expanding the literary canon to include a more diverse range of voices
- Aloysius C. Galvin, S.J., former Loyola College dean, 17th president of the University of Scranton
Business
- Harry Markopolos (1981), former chief investment officer of Rampart Investment Management Co. and early whistleblower of Bernard Madoff [1]
- Chris Dessi, writer and business executive
Judges
- Robert A. Zarnoch, Judge of the Maryland Court of Special Appeals
Politicians
- R. Karl Aumann (1982), former Maryland Secretary of State
- Robert C. Baldwin, former Maryland Delegate
- Alessandra Biaggi (born 1986), New York State Senator
- Francis B. Burch (1941), former Attorney General of Maryland
- Edward H. Burke (1886–1955), state delegate and lawyer [2]
- Andrew J. Burns Jr. (1950), former Maryland delegate
- Jill P. Carter, member, Maryland Senate
- Edward L. Cochran (1949), Howard County Executive, 1974–1978
- Jean B. Cryor (1979), former Maryland Delegate
- Terry R. Gilleland, Jr., former member of Maryland House of Delegates
- C. Stuart Knudsen (1949), former member of Maryland House of Delegates
- Hugh Meade (1929), U.S. Congressman for Maryland 2nd District, 1947–1949
- Barbara Mikulski (Mount Saint Agnes College, 1958), United States Senator from Maryland, 1987–2017
- John S. Morgan (1984), former member of Maryland House of Delegates, 1991–1999
- Herbert O'Conor (1917), Governor of Maryland 1939–1947, United States Senator 1947–1953 [3]
- Michael Peroutka, former Constitution Party candidate for President
- Dennis F. Rasmussen (1970), Baltimore County Executive, 1986–1990
- Bryan Simonaire (2005), Maryland State Senator
Religion
- Soane Patita Paini Mafi, Catholic Bishop and Cardinal of Tonga
- Joseph C. Martin, Roman Catholic priest, recovering alcoholic and renowned speaker/educator on the issues of alcoholism and drug addiction
- Noah Weinberg, rabbi
Science
- Brendan Carr (physician), Endowed System Chair of Emergency Medicine at the Icahn School of Medicine at Mount Sinai
- Edwin A. Fleishman, notable scientist and author
- Michael D. Griffin, administrator of NASA
- Bradley M. Kuhn, former Executive Director of the Free Software Foundation, Phi Beta Kappa Society 1995
- Elena Plante, speech-language pathologist and Head of the Department of Speech, Language, and Hearing Sciences at the University of Arizona [4]
- Patrick E. Cavalli, Professor of Engineering; leading designer of HVAC systems used throughout the developing world; recipient of IEEE Simon Ramo Medal in 1997
Arts and literature
- Isaac Rieman Baxley, poet
- Mark Bowden, B.A. 1973, journalist and author ( Black Hawk Down )
- Ed Burns, producer, screenwriter, and novelist; co-creator with writing partner David Simon of The Corner and The Wire (HBO); former Baltimore police detective for the Homicide and Narcotics divisions; public school teacher
- Tom Clancy, B.A. 1969, author
- George Herman, B.A. 1950, playwright (A Company of Wayward Saints)
- Margaret E. Ward, Irish journalist and broadcaster
- Deborah Rudacille, writer
- Susan Schulz, B.A. 1993, communications consultant and former magazine editor
- Steven B. Smith, poet
Sports
- Santi Aldama, basketball player for the Memphis Grizzlies
- Michael Burke, former soccer player
- Paul Cantabene (1993), former professional lacrosse player; head coach of Stevenson University's men's lacrosse team [5]
- Frank Cashen (1945), General Manager of the Baltimore Orioles and New York Mets, won 1986 World Series [6]
- Harry Child, former Major League Baseball pitcher with the Washington Senators
- Diane Geppi-Aikens (1984), women's college lacrosse coach [7]
- Katie Hoff, swimmer who holds the world record for the women's 400m individual medley; former student and volunteer assistant swimming coach [8]
- Milos Kocic (2008), goalkeeper for D.C. United and Toronto FC [9]
- Christof Lindenmayer (1999), retired professional soccer player for the Columbus Crew; assistant men's soccer coach at the university [10]
- Michael Malone, Denver Nuggets head coach from 2015–2025, including 2023 NBA Championship [11]
- James McManus, known professionally as Jim McKay (1943), sports broadcaster, winner of 13 Emmy Awards [12]
- Doug Miller, former professional soccer player; current youth soccer coach
- Mike Morrison, drafted by the Phoenix Suns in the 2nd round (24th pick, 51st overall) of the 1989 NBA draft
- Gordie Mueller, relief pitcher for the Boston Red Sox who played only one season in 1950
- Jimmy Patsos, former head men's basketball coach, 2004–2013
- Michael Phelps, most decorated Olympian of all time with 28 Olympic medals; former volunteer assistant swimming coach [13]
- Skip Prosser, former men's basketball coach, 1993–94
- Philip Scholz, S-11 category swimmer; set multiple American Paralympic records [14]
- Zach Thornton (1998), goalkeeper for the New York/New Jersey MetroStars, Chicago Fire and Chivas USA [7]
- Joe Wise, Paralympian swimmer
- Dennis Wit, retired U.S. national soccer player
Music
- Charlie Murphy, singer-songwriter and political activist.
- David Villa, singer and songwriter for Silver Edition
- Jah Works, roots reggae band formed by a group of Loyola students on a study abroad program in Belgium
- Jeleel, rapper and singer