Casper (Maya ruler), 5th Century ruler of the Mayan city of PalenqueCaspar Badrutt (1848-1904), Swiss businessman and pioneer of alpine resortsCaspar Buberl (1834-1899), American sculptorCaspar del Bufalo (1786-1837), Italian priest and saintCaspar de Robles, (1527-1585), ruler of two provinces of the NetherlandsCaspar Einem (born 1948), Austrian politicianCaspar David Friedrich (1774-1840), German painterCaspar John (1903-1984), British admiralCaspar Netscher (1639-1684), Dutch painterCasper ten Boom (1859-1944), Dutch watchmaker who aided Jews during the HolocaustCasper Van Dien (born 1968), American actorCaspar Weinberger (1917-2006), American politician and U.S. Secretary of DefenseCaspar Weinberger Jr. (born 1947), American writerDJ Casper, American musician
Surname
Dave Casper, American professional football playerDonald Caspar (born 1927), American scientistDrew Casper, American film historian and theoristJoseph Caspar (1799-1847), Swiss painter
Fiction
Casper the Friendly Ghost, Paramount cartoon character owned by Harvey ComicsCasper (film), 1995 film featuring Casper the Friendly GhostThe Spooktacular New Adventures of Casper, 1996-98 television seriesCasper (video game), series of video games based on the filmCasper (handheld video game), Game Boy game based on the filmCasper, one of three parts of the biocomputer in the anime series Neon Genesis Evangelion
Places
Casper, WyomingCaspar, CaliforniaCaspar Headlands State Beach, California
Other uses
Casper (cat), a cat famous for riding on buses
Casper the Commuting Cat, a non-fiction book about CasperCasper (skateboarding), a skateboarding trickThe command module of the Apollo 16 spacecraftCASPAR digital preservation projectA software package that allows initramfs-based Linux systems to boot from read-only mediaA tool to automate the verification of cryptographic security protocolsCaspar-Werke, German aircraft manufacturerThe nickname of snooker player David Gray"Casper", the working title of the song "The Day That Never Comes" by Metallica