Fiction

• Fictional crossover, a storyline shared between two fictional universes, or involving characters from multiple universes
• See Intercompany crossover for comic-book crossovers in which a character published by one company meets a character published by another.
• See Gaming crossovers for crossovers within video games.

Science

• Audio crossover, a type of electronic filter used to separate audio signals into frequency bands
• Crossover distortion, a type of distortion
• Crossover study, a type of clinical trial
• Ethernet crossover cable, an Ethernet cable in which the transmit and receive pairs are swapped at one end
• CrossOver, a commercial Windows compatibility layer developed by CodeWeavers
• Crossover frequency is an important characteristic in control theory.

Genetic crossover

• Chromosomal crossover, the exchange of material between two chromosomes in genetics
• Crossover (genetic algorithm), a genetic operator used to vary the programming of a chromosome from one generation to the next
• Mitotic crossover, a rare type of genetic recombination

Music

• Crossover (music), music that has commercial success with audiences beyond that of its particular genre
• Crossover thrash
• Crossover (band), a New York–based electroclash music group
• 105.1 Crossover, a music FM station owned and operated by Mareco Broadcasting Network, Inc. in the Philippines
• Crossover (Yoshinori Sunahara album)
• Crossover (album), an album by Dirty Rotten Imbeciles
• Crossover (2005 album), an album by Japanese artist Hitomi Shimatani
• "Crossover", a song on the 1992 album Business Never Personal by EPMD

Sports

• The Colorado Crossover, a team in the International Basketball League
• Crossover (dogs), a piece of dog agility equipment
• Crossover (figure skating)
• Crossover dribble, in basketball
• Crossover, a style of advancing and retreating in fencing meant to cover distance quickly, see Flèche (fencing)

Film and television

• Crossover (film), a 2006 film starring Anthony Mackie
• "Crossover" (DS9 episode)

Magazines

• "Crossover India: Environment magazine highlighting sustainability issues of India"

Manga

• Cross Over (Manga), a Japanese basketball manga.

Automobiles

• Crossover (automobile) - crossover sport utility vehicle (SUV) or (CUV)

Miscellaneous

• Crossover (rail), a pair of rail switches that allows trains to switch between parallel tracks
• Crossover (theater), a passage from one side of the stage to the other
• CrossOver, a software suite allowing Microsoft Windows applications to be run under other operating systems.