This award is presented in recognition of outstanding contributions by a member or non-member to Canadian natural history or to the successful operation of the Club. Usually people awarded an honorary membership have made extensive contributions over many years. At the present time honorary membership is limited to 25 people.
| 2024 | Ann MacKenzie | For significant contributions to the successful operation of the Club over many years, particularly in the area of governance, finances, and accounting systems. |
| 2023 | Don McAlpine | For lifetime achievements in Canadian natural history and long-time service with the Canadian Field-Naturalist See citation |
| 2021 | Ken Young | For his extensive contributions to the successful operation of the Club, particularly on financial aspects. See citation |
| 2020 | Robert Forsyth | For his outstanding contribution to Canadian malacology. See citation |
| 2020 | Jeff Harrison | For his significant role in founding the Fletcher Wildlife Garden and service to the Club. See citation |
| 2020 | Fred Schueler & Aleta Karstad | For lifetime natural history and conservation efforts in Eastern Ontario and Canada. See citation |
| 2016 | John McNeill | In recognition of lifetime contributions to Canadian botany and botanical nomenclature. See citation |
| 2015 | Robert E. Lee | In recognition of lifetime contributions to natural history teaching and investigation and dedicated leadership of the Macoun Field Club. See citation |
| 2014 | Ross Layberry | In recognition of lifetime contributions to butterfly conservation. See citation |
| 2012 | Dr. J. Bruce Falls | For his immense contribution to the investigation, documentation and protection of natural features and landscapes in Ontario and throughout Canada. See citation |
| 2012 | Peter W. Hall | For his work on butterflies among other species, the Fletcher Wildlife Garden, biodiversity conservation and over 30 years of service to the Club. See citation |
| 2010 | Ronald E. Bedford | For his commitment and stewardship. See citation |
| 2010 | Daniel F. Brunton | For his achievements as a knowledgeable naturalist, accomplished botanist and birder, important environmentalist and spokesperson for natural history in the National Capital Region, and for his outstanding service to the club. See citation |
| 2010 | Michael D. Cadman | For his significant contributions to the understanding of birds, bird distributions and habitat requirements. See citation |
| 2009 | Paul Catling | One of Canada’s most distinguished plant taxonomists, Paul is a man of many talents and interests. See citation |
| 2009 | Fenja Brodo | Fenja radiates contagious passion for the natural world. Whether she is leading or participating in an outing, she brings enthusiasm and excitement and takes delight in sharing her knowledge. See citation |
| 2008 | Christine Hanrahan | In recognition of the astonishing depth of her love and caring for everything natural and the efforts she has undertaken to make people “see the beauty and the wonder of even the tiniest creature or plant.” See citationn |
| 2004 | Charles D. Bird | For his work on mosses, lichens and flowering plants and long service as an associate editor of the Canadian Field-Naturalist. See citation |
| 2003 | Dan Strickland | For his renowned studies on the Gray Jay and for fostering an appreciation of nature in the general public in his role as Chief Naturalist at Algonquin Park |
| 2001 | John B. Theberge | For ecological studies of wolves, work in establishing parks, and outstanding books on Canadian natural history |
| 2000 | Donald M. Britton | For outstanding work in plant taxonomy and systematics |
| Jack M. Gillett | For long career as a plant taxonomist and contributions to the Club | |
| E. Frank Pope | For 22 years on Council and continuing work | |
| Joyce and Allan Reddoch | For service on Council and committees | |
| 1999 | Theodore Mosquin | For service to the Club and contributions to Canadian natural history and its conservation |
| 1998 | Francis R. Cook | For service to the Club and herpetological work |
| 1997 | John Livingston | For contributions toward the appreciation of nature and the environment |
| 1996 | Bruce M. Di Labio | For service to the Club and contribution to birding |
| 1996 | William O. Pruitt, Jr | For mammalogy and service to the Club as associate editor of The Canadian Field-Naturalist |
| 1992 | George F. Ledingham | For scientific, educational and conservation achievements related to grasslands |
| 1991 | Ellaine M. Dickson | For many years of dedicated service in many aspects of the Club |
| 1989 | Anthony J. Erskine | For ornithology and club work |
| 1987 | Ibra L. Conners | For mycology and service to the Club |
| Donald E. McAllister | For ichthyology | |
| Robert W. Nero | For work as a naturalist and a writer | |
| 1986 | E.L. Bousefield | For invertebrate zoology |
| Claude E. Garton | For botany | |
| 1985 | Eugene G. Munroe | For entomology |
| C. Stuart Houston | For ornithology and history | |
| 1984 | Bernard Boivin | For botany |
| Irwin M. Brodo | For botany and club work | |
| Verna R. McGiffin | For club work | |
| Stewart D. MacDonald | For ornithology | |
| 1983 | Hue N. Mackenzie | For club work |
| 1982 | Thomas H. Manning | For zoology |
| 1981 | Louise de Kiriline Lawrence | For work as a naturalist and a writer |
| Sheila Thomson | For club work | |
| 1980 | R. Yorke Edwards | For work as an interpretive naturalist |
| Clarence Frankton | For botany | |
| Douglas B.O. Saville | For mycology and work as a naturalist | |
| 1979 | C.H.D. Clarke | For zoology |
| William J. Cody | For botany and club work | |
| George McGee | For club work | |
| Pauline Snure | For club work | |
| Mary E. Stuart | For club work | |
| 1978 | W.K.K. Baldwin | For botany and club work |
| 1976 | W. Earl Godfrey | For ornithology |
| 1972 | William G. Dore | For botany |
| Loris S. Russel | For palaeontology | |
| J.D. Soper | For zoology | |
| W.A. Squires | For ornithology | |
| Robie W. Tufts | For ornithology | |
| 1971 | Father F.E. Banin | For club work |
| A.F. Coventry | For mammology and education | |
| Rowley Firth | For work as a naturalist and club work | |
| A.E. Porsild | For botany | |
| C.M. Sternberg | For palaeontology | |
| M.Y. Williams | For geology | |
| 1970 | Wilmot Lloyd | For club work |
| 1965 | Hoyes Lloyd | For ornithology |
| 1963 | Stuart Criddle | For work as a naturalist |
| 1959 | George H. Turner | For botany |
| 1955 | Herbert Groh | For botany |
| 1953 | Alice E. Wilson | For geology |
| 1952 | Harrison F. Lewis | For ornithology |
| 1945 | E.A. Preble | For ornithology and mammology |
| Hugh M. Raup | For botany | |
| 1944 | Percy A. Taverner | For ornithology |
| 1936 | H. Beaumont Small | For work as a club pioneer |
| 1933 | Arthur Gibson | For entomology |
| 1903 | James F. White | For education |
| 1902 | Rev. C.J.S. Bethune | For entomology and education |
| Edward L. Greene | For botany | |
| 1900 | Theodor Holm | For botany |
| H.J. Wickham | For entomology | |
| 1887 | E. Alice Amerod | For entomology |
| 1886 | Rev. George W. Taylor | For marine biology |
| 1885 | Sir William Saunders | For entomology |
| Abbe Provancher | For work as a naturalist | |
| 1884 | C. Hart Merriam | For ornithology and mammology |
| John B. Smith | For entomology | |
| 1883 | Rev. Duncan Anderson | For ornithology |
| 1882 | Henry Edwards | For entomology |
| 1879 | John Macoun | For work as a naturalist |
| Albert J. Hill | For palaeontology |