Selachyl alcohol is an organic compound with the formula HOCH2CH(OH)CH2OC18H35.

Selachyl alcohol is a monoether formed by condensation of oleyl alcohol with one of the two primary alcohol sites of glycerol.

[1] It is found in the liver of the shark Centrophorus squamosus.

[2] The name selachyl is derived from a classification of sharks, the neoselachii.

Like other glyceryl ethers, those derived from selachyl alcohol are not saponifiable.