Telephone switch, the central part of a telephone system

Railroad switch, a kind of junction between multiple railroad tracks

Electric switch, a device for making or breaking an electric circuit, or for selecting between multiple circuits

Switched-mode power supply ("switchers"), rapidly switches a transistor on and off

Routing of packets by a Network switch

Switch, a song by Siouxsie and the Banshees

Switch (network), a computer networking device that connects (and selects between) network segments

Mau Mau (game), Switch is a variant of Mau Mau played in the UK

Top and bottom in sex and BDSM, a person who enjoys assuming both top and bottom, or dominant and submissive roles, in sex or BDSM

Switch statement, which controls program flow in programming languages such as Java, C and C++

Switching (ecology), predators selecting food for profitability and abundance

Switch (INXS album), an album by INXS

Switch (TV series) , a BBC drama for the hearing impaired

Switch (film), written & directed by Blake Edwards in 1991

Context switch, performed by an operating system in response to an interrupt

Switch stance, riding a skateboard, snowboard etc. in the direction not preferred by the rider

Switch Access, a method of accessing a computer using simple devices suitable for users with severe physical or cognitive impairment

Apple Switch ad campaign

Switch (band), Motown R&B recording group

BBC Switch, a BBC strand on BBC Two for pre-teens and teenagers

Switches (band), British indie-rock band

Switch (DJ/Producer), London House DJ and producer Dave Taylor

Switch (rod), a flexible wooden rod, used for punishment

Switch (Ashanti song), a song by Ashanti released in 2007

Switch (song), a song by Will Smith released in 2005

Switch (Romanian magazine), a Romanian LGBT magazine

Switch (album), an album by the band Golden Earring

Switch (debit card), a UK debit card system introduced by the Switch Card Scheme in 1988; the name was later changed to Maestro

Switch (Mexican magazine), a Mexican magazine

SWITCH Information Technology Services, the Swiss education and research network, and .ch (and .li) domain manager

Switch?, a pricing game on The Price Is Right

SWITCH, top 6 IT Outsourcing companies in India viz; Satyam, Wipro, Infosys, TCS, Cognizant and HCL)