Vesper
Vesper means evening in Classical Latin. It may also refer to:

Places
Vesper, Kansas, an unincorporated community in the United States
Vesper, Oregon, an unincorporated community in the United States
Vesper, Wisconsin, a village in the United States
Vesper, an abandoned village southwest of Swift Current, Saskatchewan, Canada
Vesper Peak, a mountain in Washington State, United States

People
Heike Vesper (born 1970), German marine biologist
Iulian Vesper (1908–1986), Romanian writer
Rose Vesper, member of the Ohio House of Representatives (1993–2000)
Rudolf Vesper (born 1939), East German Olympic gold medalist in Greco-Roman wrestling
Will Vesper (1882–1962), German author and literary critic

Arts, entertainment, and media
Vesper (novel), a young-adult novel by Jeff Sampson
Vesper (film), a 2022 science-fiction movie by Kristina Buožytė and Bruno Samper
Vesper, an organization in the manga and anime series Mahoromatic
Vesper, a banshee with unusually magical singing abilities from animated television series Mysticons
Vesper Family, a family in the book series The 39 Clues
Vesper Holly, a character from a book series by Lloyd Alexander
Vesper Lynd, a character in the James Bond novel and film Casino Royale
Vesper, a village in the Ultima series of video games

Organizations
Vesper Boat Club, an amateur rowing club in Philadelphia, Pennsylvania,  United States
Vesper Country Club, one of the first golf courses in the United States

Science
Vesper bat, the largest, best-known family of bats
Vesper mouse, a rodent genus
Vesper sparrow, a medium-sized bird
Vesper (plant), a genus of plants in the family Apiaceae
Vesper mission, a planned Venus chemistry and dynamics orbiter of the NASA Discovery Program

Other uses
Vesper (cocktail), an alcoholic beverage recipe popularized by Ian Fleming
The Roman equivalent of Hesperus, the Greek name given to the planet Venus at sunset
Hesperus, the personification of the evening star Vesper in Greek mythology
HMS Vesper (D55), a British destroyer in commission in the Royal Navy from 1918 to the 1920s and from 1939 to 1945

See also
Vespa
Vespers (disambiguation)
VSEPR theory in chemistry, often pronounced "Vesper"