The chemical constituents of crude n-hexane extracts of three Ankyropetalum species, Ankyropetalum gypsophiloides Fenzl, Ankyropetalum arsusianum Kotschy Ex Boiss. and Ankyropetalum reuteri Boiss. Et Hausskn. from Turkey was determined using GC-MS analysis. Thirty three components were identified with Palmitic Acid Methyl Ester and Oleic Acid Methyl Ester as the most abundant components.