All in One

All in One or All-in-One may refer to:

Computing

 * All-in-one computer, a desktop computer with the monitor and computer in the same case
 * All-in-one printer or multifunction printer
 * ALL-IN-1, an office automation software package from Digital Equipment Corporation
 * MySAP All-in-One, business software from SAP
 * Power Macintosh G3 All-in-One

Other uses

 * All in One (film), a 1938 short film
 * All in One (Bebel Gilberto album)
 * All in One (Karen Clark Sheard album)
 * All in One (Whigfield album)
 * "All in One (5 Mics)", a song by Reks from Grey Hairs
 * "All in One", a 2021 song by Mirror
 * Laid-Back Camp: All-in-One!!, a 2023 Japanese mobile game developed by Enish for the anime series Laid-Back Camp
 * Superzoom, a photographic lens with a large zoom ratio, sometimes referred to as an all-in-one lens