Regis or Régis may refer to:
- People
- Regis (given name)
- Regis (surname)
- Education
- Regis College, Weston, Massachusetts, United States
- Regis College, University of Toronto, Canada
- Regis High School, various
- Regis University, Denver, Colorado, United States
- The Regis School of the Sacred Heart, Houston, Texas, United States
- Places
- Regis (place), English places with a Royal connection
- Regis, Denver, a neighborhood
- Regis-Breitingen, a town in Leipzig district, Saxony, Germany
- Lebon Régis, a town and municipality in the state of Santa Catarina in Brazil
- Pedro Régis, a town and municipality in the state of Paraíba in Brazil
- Rodovia Régis Bittencourt, a Brazilian highway
- Latin
Regis is Latin for "of the King"
- Curia regis, Latin for "Royal Council" or "King's court"
- Vexilla Regis, a sixth-century hymn
- Aeterni regis, a 1481 bull by Pope Sixtus IV
- Itinerarium Regis Ricardi, a prose narrative c. 1190
- Vita Ædwardi Regis, an anonymous history c. 1067
- Other
- Regis (musician), an English electronic music and techno DJ
- ReGIS, a Remote Graphic Instruction Set used on video terminals produced by Digital Equipment Corporation
- Regis Corporation, a hair salon chain
- Regis Learning Solutions, a training and workforce development consultancy in Golden, Colorado
- The REGIS Mark V, a villain on the cartoon show Megas XLR
- Regis Rumblebelly, a character in R A Salvatore's Forgotten Realms novels
- Ed Regis, a character in the film Jurassic Park
- USS Regis II (SP-1083), a United States Navy patrol boat in commission from 1917 to 1919
- See also
- Saint Regis, a disambiguation page of things named for the French saint, John Francis Regis
- Rex, Latin for King
- Regina, Latin for Queen
- Regius, Latin "royal" (masculine)
- Regia, Latin "royal" (feminine)
- Regium, Latin "royal" (neuter)
- Regus