Alumni
- Romulo V. Borja (G.S. '59, H.S. '65, A.B. '69, Ll.B. '84) – lawyer; associate justice, Court of Appeals of the Philippines; former dean of Law (1993–2004)
- Elpidio M. Paras (G.S. '65, H.S. '69) – businessman; Founder and Chief Executive Officer, Parasat Cable TV; chairman, Xavier University Board of Trustees
- Rufus B. Rodriguez (G.S. '67, H.S. '71, M.A. '84) – lawyer; representative, 2nd District of Cagayan de Oro
- Jesus Emmanuel M. Paras (G.S. '67, H.S. '71) – agriculturist; representative, 1st District of Bukidnon; former undersecretary for operations, Department of Agriculture
- Fr. Antonio F. Moreno, S.J. (G.S. '74, H.S. '78, A.B. '82) – Jesuit priest; president, Ateneo de Zamboanga University; former dean of Arts and Sciences
- Teofisto T. Guingona, Jr. (H.S. '41) – lawyer; former Vice-President of the Philippines (2001–2004)
- Most Rev. Honesto Ch. Pacana, S.J., D.D. (H.S. '51) – Jesuit priest; Bishop Emeritus of Malaybalay
- Oscar S. Moreno (H.S. '67) – lawyer; governor of Misamis Oriental
- Raul C. Leonen (H.S. '68) – chemical engineer; chief manufacturing officer, Del Monte Philippines
- Fr. Anthony C. Pabayo, S.J. (H.S. '80, A.B. '84) – Jesuit priest; former headmaster, Ateneo de Davao High School
- Nereus O. Acosta (H.S. '81) – political scientist; former representative, 1st District of Bukidnon (1998–2007); vice-president for Mindanao, Liberal Party; Presidential Adviser for Environmental Protection; general manager, Laguna Lake Development Authority; secretary-general, Council of Asian Liberals and Democrats
- Isabelo Lastimosa, Jr. (H.S. '82) – athlete; former basketball player, Philippine Basketball Association (1988–2003)
- Earl Stanley Perez (H.S. '82, B.S '86) – business executive; former country director, GlaxoSmithKline (2000–2003), Pfizer (2003–2005), The Himalaya Drug Company (2008–2011); former controller, Watsons's (2005–2008)
- Ermin Stan B. Pimentel (H.S. '83) – director, Office of Alumni Affairs
- Robert dela Serna (H.S. '83) – project manager for the Philippines, Catholic Relief Services
- Jose Benjamin A. Benaldo (H.S. '86) – economist; representative, 1st District of Cagayan de Oro
- Dixon Q. Yasay (H.S. '87) – politician; former mayor of Opol, Misamis Oriental (2001–2010)
- Jericho Vamenta (H.S. '93) – artist; grand prize winner, 2012 Philippine Art Awards
- Sergio E. Yap II (H.S. '96) – lawyer; former vice-mayor of Tagoloan, Misamis Oriental (2007–2010)
- Nelbert Omolon (H.S. '97) – athlete; basketball player, Philippine Basketball Association; small forward, Air21 Express
- Ramon Chaves III (H.S. '99, B.S. '03) – singer; 3rd Placer, GMA Pinoy Idol
- Joyce Vega (H.S. '06, B.S. '10) – journalist; co-host, Isyu Karon Northern Mindanao
- Sylvia Aguhob (H.S. '06, B.S. '10) – journalist; co-host, Isyu Karon Northern Mindanao
- Adlai Marcel M. Rivera (H.S. '07, B.S. '11) – athlete; football player, United Football League; defender, Cebu Queen City United F.C.
- Charles Wayne Villarta (H.S. '07, B.S. '11) – athlete; football player, United Football League; goalkeeper, Cebu Queen City United F.C.
- Francis Casey Alcantara (H.S. '09) – tennis player
- Aquilino Q. Pimentel, Jr. (A.B. '59) – lawyer; former senator (1987–1992), (1998–2010); former mayor of Cagayan de Oro (1980–1984); former dean of Law (1962–1967)
- Raul C. Rabe (A.B. '61, Ll.B. '65) – diplomat; former Ambassador of the Philippines to the United States (1992–1998)
- Salvador P. Escaño (A.B. '72) – businessman; Chairman, Pryce Gases Incorporated
- Nilo A. Labares (A.B. '89) – journalist; editor-in-chief, Sports at Balita Daily News; former chief of reporters, DXCC-Radio Mindanao Network Cagayan de Oro (1998–2010)
- Eleazar Gomez (A.B. 97) – NGO executive; regional coordinator for Asia, Caritas Internationalis
- Ma. Marna Pabillore (A.B. '03) – athlete; karateka; gold medalist, 2005 Southeast Asian Games
- Cherry Hazel Agustin (aka Sheree) (A.B. '04) – actress
- America Atega (B.E.Ed. '10) – model; Ms. Congeniality, 2011 Mutya ng Pilipinas
- Fatima L. Paepke (B.S. '70) – educator; former principal, Xavier University Grade School (2007–2012)
- Tomas R. Osmeña (B.S. '71) – agriculturist; former mayor of Cebu City (1988–1995), (2001–2010); representative, 2nd District of Cebu City
- Rev. Leo A. Soriano (B.S. '71) – physician; resident bishop, United Methodist Church Davao Episcopal Area
- Jesus Nicanor P. Perlas III (B.S. '72) – environmentalist; 2010 elections presidential candidate
- Blesila A. Lantayona (B.S. '79) - economist; assistant secretary, Department of Trade and Industry
- Peter M. Unabia (B.S. '83) – politician; representative, 1st District of Misamis Oriental
- Joey Pelaez (B.S. '90) – educator; former executive director for Students and Co-curricular Affairs, Department of Education (1998-2012)
- Lorenzo Luzon (B.S. '92) – journalist; news anchor, TV Patrol Northern Mindanao
- Carina Dayondon (B.S. '95) – mountaineer; one of the first Filipinas to reach Mt. Everest
- Yevgeny Vicente B. Emano (B.S. '96) – agriculturist; representative, 2nd District of Misamis Oriental
- Shiella C. Balbutin (B.S. '96) – professor of Development Communication; vice-president, Erasmus Mundus Alumni Association (EMA) – Southeast Asia Chapter
- Ziaur-Rahman Alonto Adiong (B.S. '01) – politician; assemblyman, ARMM Regional Legislative Assembly 1st District of Lanao del Sur
- Ruel B. Paclipan (M.P.A. '93) – government official; provincial director for Lanao del Norte, Department of Trade and Industry
- Rey T. Uy – agriculturist; mayor of Tagum City
- Nestor Torre – journalist; columnist, Philippine Daily Inquirer
- Manuel E. Valdehuesa – author; former director for Asia and the Pacific, United Nations Educational, Scientific and Cultural Organization (1983–1985)
- Martin Andanar – journalist; host, Sapul sa Singko, Dokumentado and Andar ng mga Balita
- Marvin Kiefer – celebrity; former castaway, Survivor Philippines: Palau
- Aquilino Pimentel III – lawyer; son of Aquilino Pimentel, Jr.
- Krizza Neri – singer; protégé of Aiza Seguerra
- Alora Sasam (B.S. '10) - actress, Luv U
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