'''SRN''' or '''Srn''' may refer to:
* SR.N (Saunders-Roe Nautical), a series of hovercraft produced by Saunders-Roe: **SR.N1, the first modern hovercraft **SR.N2, the first hovercraft to operate a commercial service **SR.N3, the first hovercraft designed for military use **SR.N4, a large four-prop ferry hovercraft **SR.N5, a river patrol hovercraft used in Vietnam **SR.N6, a longer SR.N5 * SRN1 mechanism, a radical-nucleophilic aromatic substitution in organic chemistry * Salem Radio Network, a United States-based Christian radio network * Scottish Recovery Network, an initiative designed to raise awareness of recovery from mental disorders * Simple recurrent network, a type of recurrent neural network * Sranan Tongo, a Creole language, ISN-639 code * A state registered nurse in the United Kingdom * Union of the Russian People (''Soyuz Russkogo Naroda''), a Black-Hundredist political organization in the Russian Empire, c. 1905–1917 * Strahan Airport, IATA airport code "SRN" * SRN, ICAO code for SprintAir, a Polish airline
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