Abstract The chemical composition of the leaf oil of Juniperus cedrus Webb. et Berth. was studied by GC and GC/MS. Thirty-four compounds representing 97.7% of the oil were identified of which Î±-pinene (36.0%), Ï-3-carene (14.8%) and limonene (21.1%) were the major components. Key Word Index: Juniperus cedrus Cupressaceaeleaf oil compositionÎ±-pineneÎ´-3-carenelimonene