Between January and November of 1999, 55 specimens of Atlantic cutlassfish, Trichiurus lepturus Linnaeus, 1758 were captured of the coastal of the State of Rio de Janeiro, Brazil (21-23° S, 41-45° W), and necropsied to study of their metazoan parasites. Eleven species of metazoan parasites were collected in T. lepturus: 1 digenean, 1 monogenean, 2 cestodes, 1 acantocephalan, 5 nematodes, and 1 copepod. Trichiurus lepturus is a new host record for Callitetrarhynchus gracilis, Hysterothylacium sp., and Raphidascaris sp., Octoplectanocotyla trichiuri and Polymorphus sp. were recorded for the first time in Brazil.