First name or title •
Carolus Andriamatsinoro (born 1989), Malagasy footballer • Carolus Arretinus or
Carlo Marsuppini (1399–1453), Italian humanist and chancellor •
Carolus Clusius (Charles de l'Écluse), Flemish doctor and botanist •
Carolus de Tilly (1642–1698), French Roman Catholic prelate •
Carolus-Duran (Charles Auguste Émile Durand), French painter •
Carolus Fernández de Velasco (1596–1665) Belgian Roman Catholic clergy • Carolus Antonius Fodor or
Carel Anton Fodor (1768–1846), Dutch composer •
Carolus Gallus (1530–1616), Dutch minister and polemicist •
Carolus Hacquart (after 1686), Flemish composer •
Carolus Magnus Hutschenreuther (1794–1845), German industrialist •
Carolus Adrianus Johannes Kreutz (born 1954), Dutch orchidologist, botanical writer and taxonomist •
Carolus Lassila (1922–1987), Finnish diplomat •
Carolus Luython (1557–1620), Belgian composer • Carolus Linnaeus (
Carl Linnaeus or Carl von Linné), Swedish botanist and physician • Carolus Linnaeus the Younger (
Carl Linnaeus the Younger), Swedish naturalist •
Carolus Luython, 17th-century composer •
Carolus Magnus (Charlemagne), Holy Roman Emperor •
Carolus Maneken (1419–1493), professor •
Carolus Mulerius (1601–1638), Dutch Hispanist and grammarian •
Carolus Niellius (1576–1652), Dutch Remonstrant minister •
Carolus Nolet (born 1940/41), Dutch businessman •
Carolus Polodig (1671–1714), Czech Roman Catholic prelate •
Carolus Johannes Reinecke (born 1941), South African rector • Carolus Rex (
Charles XII of Sweden), King of Sweden •
Carolus Sigonius (1584), Italian humanist •
Carolus Souliaert (died 1540), 16th-century composer •
Carolus Stoffels (1893–1957), Dutch modern pentathlete •
Carolus Wimmer (born 1948), German politician •
Carolus Wrede (1860–1927), Finnish industrialist
Middle name •
Christianus Carolus Henricus van der Aa (1718–1793), Dutch Lutheran pastor •
Francis Carolus Eeles (1876–1954), English liturgical scholar and ecclesiastical historian
Surname •
Cheryl Carolus, South African politician •
Jean Carolus, 19th-century Belgian artist •
Johann Carolus, 17th-century newspaper publisher •
Joris Carolus, 17th-century Dutch cartographer •
Louis Carolus-Barré (1910–1993), French librarian and medievalist • Charles C. Carolus, United States Navy Hospital Corpsman