Hello, world is a prototypical computer program used as an example or test.
Hello World may also refer to:
Photographs Hello, World (photograph), photograph from the 2026 Artemis II mission
Music "Hello World!" (composition), a song by the Iamus computer "Hello World" (Tremeloes song), 1969 "Hello World" (Lady Antebellum song), 2010 "Hello World", a song by Nik Kershaw from the album To Be Frank "Hello, World!", a 2015 song by Bump of Chicken "Hello World", a 2015 song by Ginny Blackmore "Hello World", a song by Belle Perez "Hello World", a 2022 song by Alan Walker featuring Torine "Hello World", a 2024 song by LiSA "Hello World", the theme song of the 2024 Summer Olympics, performed by Gwen Stefani and Anderson Paak
Albums Hello World, a 2011 album by Back-On Hello World (Information Society album), 2014 Hello World (Pinguini Tattici Nucleari album), 2024 Hello World (Scandal album), 2014 Hello, World (EP), 2024, by Baekhyun Hello, World! (EP), 2022, by Xdinary Heroes Hello World: The Motown Solo Collection, a compilation album by Michael Jackson
Other uses Helloworld Travel, an Australian-based travel agency Helloworld (TV program), an Australian travel and lifestyle show Hello World (film), a 2019 Japanese animated science fiction drama Hello World (TV series), a 2022 Telugu comedy Hello World: How to Be Human in the Age of the Machine, a book by Hannah Fry
See also "Hello Earth", a track from Kate Bush's 1985 album Hounds of Love