Single may refer to:

Arts, entertainment, and media

Single (music) In music, a single is a type of release, typically a song recording of fewer tracks than an LP record or an album. One can be released for sale to the public in a variety of formats. In most cases, a single is a song that is released separ ...

, a song release

Songs

* "Single" (Natasha Bedingfield song), 2004 * "Single" (New Kids on the Block and Ne-Yo song), 2008 * "Single" (William Wei song), 2016 * "Single", by Meghan Trainor from the album '' Only 17''

Sports

Single (baseball) In baseball, a single is the most common type of base hit, accomplished through the act of a batter safely reaching first base by hitting a fair ball (thus becoming a runner) and getting to first base before a fielder puts him out. As an excepti ...

, the most common type of base hit * Single (cricket), point in cricket *

Single (football) In Canadian football, a single (also called a single point, or ''rouge'') is a one-point score that is awarded for certain plays that involve the ball being kicked into the end zone and not returned from it. Rules A single is awarded when the ba ...

, Canadian football point *

Single-speed bicycle A single-speed bicycle is a type of bicycle with a single gear ratio. These bicycles are without derailleur gears, hub gearing or other methods for varying the gear ratio of the bicycle. There are many types of modern single speed bicycles; BMX ...

Transportation

Single-cylinder engine A single-cylinder engine, sometimes called a thumper, is a piston engine with one cylinder. This engine is often used for motorcycles, motor scooters, go-karts, all-terrain vehicles, radio-controlled vehicles, portable tools and garden machinery ...

, an internal combustion engine design with one cylinder, or a motorcycle using such engine *

Single (locomotive) In railway terminology, a single is a steam locomotive with a single pair of driving wheels. Some sources use 'Single' only for the 2-2-2 type, also known as a Jenny Lind locomotive, but more commonly singles could have any number of leading or ...

, a steam locomoti