Plus One

Plus One may refer to:

Arts, entertainment, and media

 * Plus One (2008 film), a Russian comedy film
 * Plus One (2019 film), an American romantic comedy film
 * Plus One (band), a Christian pop band
 * Plus One: The Home Video, 2001
 * Plus One (DJ), one member of Jack Beats, an English electronic-music duo from London
 * Plus One (TV series), a British sitcom
 * "Plus One" (The X-Files), a television episode
 * +1 (film), also known as Plus One, a 2013 American science fiction-horror film
 * +1 (also known as Plus One), a "lifeline" in the Who Wants to Be a Millionaire? franchise

Other uses

 * Acorn Plus 1, an expansion for the Acorn Electron home computer
 * Plus-One system, a change to the college American football championship format