Syn or SYN may refer to:

In arts and entertainment

In music

The Syn The Syn are an English band that were active from 1965 to 1967, and then reunited as a progressive rock band in 2004. The band was founded by Steve Nardelli, Chris Squire, Andrew Pryce Jackman, Martyn Adelman and John Painter. Chris Welch, in ...

, a band * Synyster Gates, lead guitarist of the band Avenged Sevenfold

Fictional characters

Doctor Syn The Reverend Doctor Christopher Syn is the smuggler hero of a series of novels by Russell Thorndike. The first book, ''Doctor Syn: A Tale of the Romney Marsh'' was published in 1915. The story idea came from smuggling in the 18th-century Romney ...

, in novels by Russell Thorndike

Other uses in arts and entertainment

SYN Media Student Youth Network Inc., operating as SYN Media , is an Australian youth-run not-for-profit organisation providing media training and broadcasting opportunities for young people. Commonly referred to as SYN, the organisation produces new and ...

, a youth media organization based in Melbourne, Australia

In science and technology

* Syn addition, in organic chemistry *Syn conformation in

alkane stereochemistry In chemistry, conformational isomerism is a form of stereoisomerism in which the isomers can be interconverted just by rotations about formally single bonds (refer to figure on single bond rotation). While any two arrangements of atoms in a mole ...

* Synonym (taxonomy), a system of accepted alternative names for species *

SYN (TCP) The Transmission Control Protocol (TCP) is one of the main protocols of the Internet protocol suite. It originated in the initial network implementation in which it complemented the Internet Protocol (IP). Therefore, the entire suite is commonly ...

, synchronise packet in transmission control protocol (TCP) * Synchronous idle ( ␖), one of the C0 and C1 control codes *

SYN (OSC) Syn or SYN may refer to: In arts and entertainment In music *The Syn, a band * Synyster Gates, lead guitarist of the band Avenged Sevenfold Fictional characters * Doctor Syn, in novels by Russell Thorndike Other uses in arts and entertainment * ...

, a standardized namespace within

Open Sound Control Open Sound Control (OSC) is a protocol for networking sound synthesizers, computers, and other multimedia devices for purposes such as musical performance or show control. OSC's advantages include interoperability, accuracy, flexibility and enha ...

Other uses

Syn (goddess) In Norse mythology, Syn (Old Norse: , "refusal"Orchard (1997:157).) is a goddess associated with defensive refusal. Syn is attested in the ''Prose Edda'', written in the 13th century by Snorri Sturluson; and in kennings employed in skaldic poetry. ...

, in Norse mythology * Coalition of Left, of Movements and Ecology (''Synaspismós'', abbreviated SYN or ΣΥΝ), a Greek political party {{disambiguation