Startup commonly refers to: Startup company, a newly emerged, fast-growing business

Startup or start-up may also refer to:

Booting, an initialization period that computers and electronics go through when first turned on Project commissioning, the act of starting for the first time a technical installation Sign-on, when broadcasters start transmissions on a day Geography Startup, Washington, a census-designated place in Snohomish County, Washington Film and TV Start-Ups: Silicon Valley, a reality television series about startup companies that premiered in 2012 Startup.com, a 2001 documentary film about the dot-com start-up phenomenon Start Up (2013 TV series), a 2013 American docuseries that aired on public television Antitrust (film), a 2001 American film also known as "Startup" StartUp (TV series), an American television drama series from 2016 with Martin Freeman and Ron Perlman that was released on Crackle StartUp (podcast), an American podcast from Gimlet Media hosted by Alex Blumberg and Lisa Chow Start-Up (film), a 2019 South Korean film written and directed by Choi Jung-yeol Startup, a 2014 Russian film about the rise of Yandex Start-Up (South Korean TV series), a 2020 South Korean television drama series Start-Up PH, a Philippine television drama series based on the South Korean drama of the same name

Other Start-Up (video game), a 2000 video game Startups.co.uk, a British website "Startup!", a 2014 song by South Korean boy band Boyfriend "Start Up", a song by Ikara Colt "Start Up", a song by Steve Swell "Start Up", a song by Scott 4 (band)