The leaf oils ofHyptis suaveolenswere isolated by hydrodistillation and separated by GC. Of the 56 components separated, 47 were identified by GC/MS. Monoterpenes represented the largest portion with 1m8-cineole (38.7%), sabinene (19.9%), terpinolene (8.5%), β-pinene (6.4%), γ-terpinene (4.8%), α-pinene (2.9%), limonene (2.6%), myrcene (1.3%) andterpinen-4-ol (1.2%). Of the sesquiterpenes, the predominant were β-caryophyllene (2.5%) and germacrene-B (1.2%). All other components including the unknowns were in concentrations of less than 1%