Abstract The composition of the steam distilled essential oil of dill herb (Anethum graveolens L.) was investigated by GC and GC/MS. Thirty six components were identified of which Î±-phellandrene (56.5%), dill ether (20.8%), limonene (10.9%) and p-cymene (3.8%) were the major constituents and amounted to 92% of the oil. Key Word Index: Anethum graveolens Umbelliferaedillessential oil compositionÎ±-phellandrenelimonenedill ether