Look up Hello World in Wiktionary, the free dictionary.

Hello World may refer to:

• "Hello, World!" program, a computer program that outputs or displays the message "Hello, World!"

• "Hello World!" (composition), 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 2018 song by Vocaloid producer YZYX featuring Hatsune Miku
• "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 and written and produced by Ryan Tedder

• Hello World, 2011 album by Back-On
• Hello World (Information Society album), 2014
• Hello World (Scandal album), 2014
• Hello, World! (EP), 2022 EP by Xdinary Heroes
• Hello World: The Motown Solo Collection, compilation album by Michael Jackson

• Helloworld Travel, an Australian-based travel agency
• Helloworld (TV program), an Australian travel and lifestyle television program
• Hello World (film), a 2019 Japanese animated film
• Hello World (Web Series), a 2022 Telugu TV Series
• Hello World: How to Be Human in the Age of the Machine, a book by Hannah Fry

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