Aloysius (/æləˈwɪʃəs/al-ə-WISH-əs) is a given name. It is a Latinisation of the names Aluigi Louis, Lewis, Luis, Luigi, Ludwig, and so on (traditionally Latinised Ludovicus or Chlodovechus). It has Germanic origins meaning, "fame and war." In the US, the name is rare, with babies receiving the name less than 0.001% since the 1940s, according to Social Security Administration data.
Among the famous holders of this name are:
- Alois Alzheimer
- Aloysius Ambrozic
- Aloysius Bertrand
- Aloysius Gonzaga (St Aloysius)
- Aloysius Lilius 1510-1576 doctor, astronomer, philosopher and chronologist; the "primary author" of the proposal that after modifications, became the basis of the Gregorian Calendar reform of 1582, which is now the internationally accepted civil calendar.
- Aloysius Schmitt
- Aloysius Stepinac
- Aloysius Szymanski, given name for Baseball Hall of Famer Al Simmons
- John Aloysius Fahey
- Patrick Aloysius Ewing, Sr.
- Aloysius Paulus Maria (Louis) van Gaal, Dutch football coach
- Aloysius Hadjana Pudjaatmaka, Indonesian Chemist and Pharmacologist
- Petrus Aloysius (19 November 1503 – 10 September 1547), Duke of Piacenza and illegitimate son of Pope Paul III
- Possum Aloysius Jenkins is a pseudonym of Andre 3000 from hip hop act Outkast
- Fictional characters
- Aloysius, the music master representing Palestrina in the important 18th century counterpoint textbook Gradus ad Parnassum
- Timothy Aloysius Cadwallader "Dum Dum" Dugan,a fictional character in the Marvel Comics Universe.
- Aloysius, Hudsucker Company Janitor, and Sidney J. Mussburger's spy in The Hudsucker Proxy
- Aloysius, the police chief in It's a Mad, Mad, Mad, Mad World
- Aloysius (spelled "Alowishus" in the liner notes) Devadander Abercrombie, the narrator of the song My Name Is Mud by the band Primus
- Owloysius, owl and nighttime assistant to Twilight Sparkle in My Little Pony: Friendship is Magic
- Aloysius, Lord Sebastian Flyte's beloved teddy bear in Evelyn Waugh's 1945 novel Brideshead Revisited
- Aloysius Beauvier, main character in the award winning play Doubt: A Parable
- Lynn Aloysius Belvedere ("Mr. Belvedere")
- Aloysius Creevey, character in the show Skins
- Aloysius "Nosey" Parker, Lady Penelope's chauffeur in the 1960s TV series Thunderbirds
- Aloysius X. L. Pendergast, protagonist of several novels by Douglas Preston and Lincoln Child
- Aloysius Snuffleupagus ("Mr. Snuffleupagus") of Sesame Street
- Aloysius "Black" Knight, bounty hunter and guardian of Shane Schofield, in the book Scarecrow, by Matthew Reilly.
- Aloysius Minch, father of Pokey Minch, one of the main antagonists in the video game EarthBound.
- Aloysius Binewski, patriarch of the carnival family in the book Geek Love by Katherine Dunn.
- Theodore Aloysius "Theo" Huxtable, The Cosby Show.
- Aloysius O'Hare. the antagonist in The Lorax (film)
- Aloysius the cow, from the popular web series Minecraft with Sips and Sjin.
- Sister Aloysius, character played by Meryl Streep in Doubt - film