SRN or Srn may refer to:SR.N, 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, 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