Curvularia lunata is a saprobic dematiaceous mould that resides primarily in soil (Ellis, 1966). Reports of human disease caused by this organism are rare but include: endocarditis, brain abscess, skin infections, onychomycosis, keratitis, pneumonia, disseminated disease, mycetoma, allergic bronchopulmonary disease, and one case of sinusitis. Since 1983, we have encountered five cases of paranasal sinusitis due to C. lunata. None of the patients suffered from known immunologic disorders or underlying debilitating diseases. These five cases are presented and the literature of human phaeohyphomycosis caused by Curvularia spp. is reviewed.