Julia may refer to:

• Julia (given name), including a list of people with the name
• Julia (surname), including a list of people with the name
• Julia gens, a patrician family of Ancient Rome
• Julia (clairvoyant) (fl. 1689), lady's maid of Queen Christina of Sweden in Rome, alleged clairvoyant and predictor

• Julia (programming language), a computer language with features suited for numerical analysis and computational science
• Julia (unidentified sound), an underwater sound record by the NOAA
• Julia (gastropod), a genus of minute bivalved gastropods in the family Juliidae
• Julia butterfly, Dryas iulia, misspelled as Dryas julia

• Julia (1968 TV series), a 1968–1971 American series starring Diahann Carroll
• Julia (2022 TV series), an American drama series
• Julia (Mexican TV series), a 1979 Mexican telenovela
• Julia (Polish TV series), a 2012 Polish soap opera
• Julia (Venezuelan TV series), a 1983 Venezuelan TV series
• Julia (Sesame Street), a Muppet character on the children's television program

• Julia (1974 film), a West German erotic film starring Sylvia Kristel
• Julia (1977 film), an American drama starring Jane Fonda, Jason Robards and Vanessa Redgrave
• Julia (2008 film), a French crime drama starring Tilda Swinton
• Julia (2014 film), an American neo-noir horror film starring Ashley C. Williams
• Julia (2021 film), a documentary about Julia Child
• Julia(s), a 2022 French romance film

• "Julia" (Beatles song), 1968
• "Julia" (Chris Rea song), 1993
• "Julia" (Conway Twitty song), 1987
• "Julia" (Eurythmics song), 1984
• "Julia" (Nick & Simon song), 2012
• "Julia", a song by Ekseption from the album Beggar Julia's Time Trip
• "Julia", a 1958 Italian song by Johnny Dorelli
• "Julia", a single from the 2017 album American Love by the Fast Romantics
• "Julia", a song by Goudie from the 2000 album Peep Show
• "Julia", a song from the 2014 album Jungle by Jungle
• "Julia", a song from the album Please Come Home... Mr. Bulbous by King's X
• "Julia", a song from the album Naveed by Our Lady Peace
• "Julia", a 1975 song by Pavlov's Dog
• "Julia", a song from the 1997 album Silver Sun by Silver Sun
• "Julia", a song from the 2018 album Blood Red Roses by Rod Stewart
• "Julia", a song from the 2014 EP Z by SZA
• "Julia", a song by Wang Leehom
• "Julia", a song from the 2011 album Adelphi Has to Fly by Lucy Ward

• Julia (Lydia), a town of ancient Lydia
• Julia (river), Switzerland
• Julia, Greater Poland Voivodeship, Poland
• Julia, West Virginia, United States

• 89 Julia, an asteroid
• Julia (comics) (le avventure di una criminologa), an Italian comic book series
• Julia (novel), 1975 novel by Peter Straub
• Julia, 2023 novel by Sandra Newman
• J.U.L.I.A., a 2012 indie video game
• "Julia", a speaking recording by Raffi on his 1995 album: Raffi Radio
• Alpine Brigade Julia, a mountain warfare brigade of the Italian Army
• List of storms named Julia, name used for storms in the Atlantic Ocean

• Julia set, in mathematics
• Julieta (disambiguation)