(from "REP. INT. WHAL. COMMN 30, 1980")
| Argentina | |
| Mr E.H. Iglesias | Commissioner |
| Miss T.G. Montero | Adviser |
| Australia | |
| Prof. J.D. Ovington | Commissioner |
| Dr K.R. Allen | Adviser |
| Dr G.P. Kirkwood | Adviser |
| Mr M.G. Letts | Adviser |
| Mrs J. Lee or Mr R.J. Lomax | Adviser |
| Brazil | |
| Mr J.O. Rache de Almedia | Commissioner |
| Miss J.M. Rocha | Adviser |
| Ms M.E. Berenguer | Adviser |
| Mr I. Ishigami | Adviser |
| Mrs M. Tolentino | Adviser |
| Mr S. Suzuki | Adviser |
| Canada | |
| Mr M.C. Mercer | Commissioner |
| Mr D. Goodman | Adviser |
| Dr E.D. Mitchell | Adviser |
| Mr K. Brymaert | Adviser |
| Mr R. Howard | Adviser |
| Chile | |
| Dr J. Berguno | Commissioner |
| Mr P. Arriagada | Adviser |
| Mr R. Maturana | Adviser |
| Mr E. Olguin | Adviser |
| Denmark | |
| Mr E. Lemche | Commissioner |
| Mr S.B. Bjerregaard | Adviser |
| Mr F.O. Kapel | Adviser |
| Mr G. Martens | Adviser |
| France | |
| Dr C. Roux | Commissioner |
| Mr M. Marchand | Adviser |
| Iceland | |
| Mr T. Asgeirsson | Commissioner |
| Mr J. Jonsson | Adviser |
| Mr C. Loftsson | Adviser |
| Dr E. Einarsson | Adviser |
| Japan | |
| Mr K. Yonezawa | Commissioner |
| Mr K. Komura | Adviser |
| Mr M. Kunihiro | Adviser |
| Dr A. Suda | Adviser |
| Mr T. Isogai | Adviser |
| Mr T. Saito | Adviser |
| Mr R. Yoshimura | Adviser |
| Mr K. Kawakami | Adviser |
| Mr M. Inagaki | Adviser |
| Mr M. Tanaka | Adviser |
| Mr N. Yanagihara | Adviser |
| Mr S. Hasui | Adviser |
| Mr R. Oyama | Adviser |
| Mr K. Kihata | Adviser |
| Mrs C. Togaeri | Adviser |
| Mr T. Noda | Adviser |
| Mr Y. Takase | Adviser |
| Dr S. Ohsumi | Adviser |
| Mr M. Ohnishi | Adviser |
| Dr Y. Shimadzu | Adviser |
| Mr T. Takayama | Adviser |
| Mr K. Yamamura | Adviser |
| Mrs S. Misaki | Adviser |
| Mr Y. Yoshinari | Adviser |
| Mr R. Kiyomiya | Adviser |
| Republic of Korea | |
| Mr I.S. Choi | Commissioner |
| Mr C.C. Lee | Adviser |
| Mr H.C. Kim | Adviser |
| Mr Y. Gong | Adviser |
| Mr S.H. Choi | Adviser |
| Mr D.S. Park | Adviser |
| Mr M.I. Choi | Adviser |
| Mr J.H. Kim | Adviser |
| Mexico | |
| Mr I. Villasenor | Commissioner |
| Mr G. Marcet | Adviser |
| Mr J. Tonda | Adviser |
| Netherlands | |
| Mr F.H.J. Von der Assen | Commissioner |
| Dr C. Smeenk | Adviser |
| Mr A.J.A. Van Royen | Adviser |
| Miss M. Klees | Adviser |
| New Zealand | |
| Mr B.J. Lynch | Commissioner |
| Mr T.B. Caughley | Adviser |
| Norway | |
| Mr I. Rindal | Commissioner |
| Mr S.V. Hagen | Adviser |
| Mr E. Aas | Adviser |
| Dr A. Jonsg蚌d | Adviser |
| Mr I. Christensen | Adviser |
| Mr C.J. Rvik | Adviser |
| Mr M. Norderhaug | Adviser |
| Panama | |
| Mr R. Decerega | Commissioner |
| Mr D. Johnson | Adviser |
| Mr J.P. Fortom-Gouin | Adviser |
| Peru | |
| Dr A. Ramirez | Commissioner |
| Dr O. De Rivero | Adviser |
| Dr L. Javier | Adviser |
| Dr J. Valdivia | Adviser |
| Mr A. Gutierez | Adviser |
| Seychelles | |
| Mr B. Loustau-Lalanne | Commissioner |
| Dr L. Watson | Adviser |
| Mr M. Forster | Adviser |
| Ms C. Durrant | Adviser |
| South Africa | |
| Dr G. Newman | Commissioner |
| Dr P. Best | Adviser |
| Mr T. Wheeler | Adviser |
| Spain | |
| Mr C.G. Palacios | Commissioner |
| Mr J.J. Chad Tourino | Adviser |
| Sweden | |
| Mr B. H臠erh舁l | Commissioner |
| Mr L.G. Carlsson | Adviser |
| Mr E. Sidenmark | Adviser |
| Dr H. Ackefors | Adviser |
| USSR | |
| Mr S.V. Butysin | Commissioner |
| Mr E. Sabourenkov | Adviser |
| Dr M.V. Ivashin | Adviser |
| Mr R.G. Borodin | Adviser |
| Mr G. Terekhin | Adviser |
| UK | |
| Mr R.C. Gurd | Commissioner |
| Mr D. Garrod | Adviser |
| Mr J. Horwood | Adviser |
| Mr S.G. Brown | Adviser |
| Dr P. Scott | Adviser |
| Mr W.F.W. Hendry | Adviser |
| USA | |
| Mr R.A. Frank | Commissioner |
| Mr T. Garrett | Adviser |
| Mr P. McCloskey | Adviser |
| Dr W. Aron | Adviser |
| Ms J. Barnes | Adviser |
| Dr R. Brownell | Adviser |
| Mr M. Busdy | Adviser |
| Dr D. Chapman | Adviser |
| Mrs P. Fox | Adviser |
| Mr J. Gilliland | Adviser |
| Mr E. Greenberg | Adviser |
| Mr J. Breiwick | Adviser |
| Mr D. Bonker | Adviser |
| Mr S. Smith | Adviser |
| Mr T. Leitzell | Adviser |
| Mr M. Levitt | Adviser |
| Dr M. Tillman | Adviser |
| Dr R. Barstow | Adviser |
| Dr T. Kimball | Adviser |
| Ms M. McCloskey | Adviser |
| Mr R. Worl | Adviser |
| Mr D. Williams | Adviser |
| Mr C. Dawson | Adviser |
| Mr J. Hough | Adviser |
| Mr C. Peters | Adviser |
| Miss M. Mannix | Adviser |
| Mr A. Mark | Adviser |
| Belgium | |
| Dr W.M.A. de Smet | Observer |
| Costa Rica | |
| Mr E. Salas | Observer |
| Federal Republic of Germany | |
| Dr A. Baier | Observer |
| Indonesia | |
| Mr A.A. Sjarif | Observer |
| Portugal | |
| Mr J. De Moraes Vaz | Observer |
| Switzerland | |
| Dr B. Imhasly | Observer |
| Tonga | |
| Mr S.T. Aho | Observer |
| Mr G.D. Kaufman | Observer |
| Convention on International Trade in Endangered Species of Wild Fauna and Flora | |
| Mr P.H. Sand | Observer |
| Food and Agriculture Organisation of the United Nations | |
| Dr S.J. Holt | Observer |
| Inter-American Tropical Tuna Commission | |
| Dr R. Allen | Observer |
| International Council for the Exploration of the Sea | |
| Mr F. Kapel | Observer |
| International Commission for Southeast Atlantic Fisheries | |
| Dr G. Newman | Observer |
| International Union for the Conservation of Nature and Natural Resources | |
| Mr A.J. Mence | Observer |
| Mr P. Allen | Observer (alternate) |
| United Nations Environment Programme | |
| Mr W. Okera | Observer |
| American Cetacean Society | |
| Ms B. Belding | Observer |
| Mr G. Brodeur | Observer (alternate) |
| African Wildlife Leadership Foundation | |
| Mrs C. Stevens | Observer |
| Dr J. Beary | Observer (alternate) |
| Center for Environmental Education | |
| Mr W.J. Kardash | Observer |
| Mr J. Denver | Observer (alternate) |
| Friends of the Earth | |
| Mr T. Clarke | Observer |
| Mr D. Phillips | Observer (alternate) |
| Fauna Preservation Society | |
| Mr R.S.R. Fitter | Observer |
| Mr J.A. Burton | Observer (alternate) |
| Fund for Animals | |
| Mr L. Regenstein | Observer |
| Ms V. McOuat | Observer (alternate) |
| Greenpeace | |
| Mr R.M. M'Gonigle | Observer |
| Mr A. Thornton | Observer (alternate) |
| International Federation of Institutes for Advanced Studies | |
| Dr J.E. Kelly | Observer |
| International Fund for Animal Welfare | |
| Mr B. Davies | Observer |
| Ms G. Toland | Observer (alternate) |
| International Institute for Environment and Development | |
| Mrs P. Birnie | Observer |
| Mr R. Sandbrook | Observer (alternate) |
| International League for Animal Rights | |
| Mr J. Alexander-Sinclair | Observer |
| International Ocean Institute | |
| Mr J. Barzdo | Observer |
| International Society for the Protection of Animals | |
| Mr J. Ruffhead | Observer |
| International Transport Workers' Federation | |
| Mr M.S. Ohsawa | Observer |
| International Youth Federation for Environment Studies and Conservation | |
| Mr M. Taylor | Observer |
| Mr M. Pallamaerts | Observer (alternate) |
| Marine Action Centre | |
| Ms J. Gordon-Clarke | Observer |
| Mr A. von Remundt | Observer (alternate) |
| Monitor | |
| Mr C. Van Note | Observer |
| Mr P. Moore | Observer (alternate) |
| National Wildlife Federation | |
| Mr J. Scarff | Observer |
| Ms C. Kendrew | Observer (alternate) |
| Peoples Trust for Endangered Species | |
| Mr L.A. Carter | Observer |
| Mr L. Behrmann | Observer (alternate) |
| Project Jonah | |
| Mr A.I. Gregory | Observer |
| Mr H.I. Phillips | Observer (alternate) |
| Royal Society for the Prevention of Cruelty to Animals | |
| Mr P. Vodden | Observer |
| Mr K. Zandt-Harris | Observer (alternate) |
| Sierra Club | |
| Ms P.J. Scharlin | Observer |
| Mr E. Dawson | Observer (alternate) |
| Threshold Foundation | |
| Mr J. George | Observer |
| Whale Centers International | |
| Mr R. Storro-Patterson | Observer |
| World Association of World Federalists | |
| Ms E. Partridge | Observer |
| Mr S.L. Sutcliffe | Observer (alternate) |
| World Federation for the Protection of Animals | |
| Mr J. Ruffhead | Observer |
| World Wildlife Fund | |
| Dr L.M. Talbot | Observer |
| Miss J.W.C. Barber | Observer (alternate) |
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