Serratolamna is an extinct genus of mackerel sharks that is placed in the monotypic family Serratolamnidae.

Species within this genus include:[1] The fossils of Serratolamna mainly consist of teeth and scattered vertebrae.

The teeth are asymmetrical with smooth crowns and multiple cusplets.

[1] Based on the size of its teeth, it appears Serratolamna grew no larger than 1.5 metres.

[2] Fossils of species within this genus have been found in Late Cretaceous of Cuba,[3] France, Madagascar, Mexico, Morocco, Sweden and United States.