The title of Honorary Trustee was established in 1950 by the founding Board of Directors to recognise and honour those individual members whose distinguished contributions over the years have significantly advanced the multi-faceted purposes of the Bromeliad Society International.
Current Trustees
| Name | Country | Elected | Journal references (vol: page) |
| William Morris | Australia | 1962 | 12: 2 |
| Elmer J. Lorenz | U.S.A. | 1985 | 35: 24 |
| Grace M. Goode OAM | Australia | 1987 | 37: 195,198 |
| David H. Benzing | U.S.A. | 1992 | 42: 147 |
| Elton M. C. Leme | Brazil | 2000 | 50: 83 |
| Herb Plever | U.S.A. | 2006 | 56: 234-235 |
| Derek Butcher | Australia | 2008 | 58(4): 185 |
| Peter Waters | New Zealand | 2008 | 58(4): 185 |
| Dan Kinnard | USA | 2013 | 64(3):204 |
| Ed Doherty | USA | 2018 |
In Memory of past Honorary Trustees
| Name | Country | Elected | Date of Death | Journal References (vol.: page) |
| A.B. Graf | U.S.A. | 1962 | 2000 | 12: 2 |
| Adda Abendroth | Brazil | 1962 | 23 Nov. 1981 | 12:2; 32:79 |
| Alberto Castellanos | Argentina | 1951 | 5 Sept. 1968 | 1:3; 9:123-126 |
| Charles A. Wiley | U.S.A. | 1991 | 30 May 1980 | 30:227-8; 41:219; 42:33 |
| Charles Chevalier | Belgium | 1951 | 15 Mar. 1963 | 0.04375 |
| Charles G. Hodgson | Australia | 1951 | 1969 | 1:3; 19:53 |
| Charles K. Lankester | England | 1951 | 8 July 1969 | 1:3; 19:127; 20:8-10 |
| David Barry Jr. | U.S.A. | 1972 | 1 Feb. 1978 | 22:74; 28:115-116 |
| David Fairchild | U.S.A. | 1951 | 6 Aug. 1954 | 1: 4 |
| Don Beadle | USA | 2018 | ||
| Ed Hummel | U.S.A. | 1991 | 29 Nov. 1979 | 30:23; 42:33 |
| Frederico Carlos (F.C.) Hoehne | Brazil | 1951 | 16 Mar. 1959 | 1:3 |
| Harold Martin | New Zealand | 1962 | Oct. 2007 | 12:2; 58:1 |
| Harry Luther | U.S.A. | 1994 | 17 Oct. 2012 | 44:195-196 |
| Henry Teuscher | Canada | 1951 | 1984 | 1: 4 |
| Jules Chantrier | France | 1951 | 6 Jan. 1955 | 1:3; 5:1:2 |
| Julien Marnier-Lapostolle | France | 1970 | 18 Feb. 1976 | 20:122; 26-93 |
| Luis Ariza-Julia | Dominican Republic | 1970 | 24 Sep.1989 | 20:98; 40:10 |
| Lyman B. Smith | U.S.A. | 1960 | 4 May 1997 | 10:2; 47:199-210 |
| Marcel LeCoufle | France | 1968 | Dec. 2016 | 19:23 |
| Mulford B. Foster | U.S.A. | 1962 | 28 Aug. 1978 | 12:2; 28:243-244 |
| Muriel Waterman | New Zealand | 1951 | 1961 | 1:3; 11:3:43; 35:225 |
| Nat DeLeon | U.S.A. | 2000 | 2015 | 54:35:00 |
| Olwen Ferris | Australia | 1970 | 4 Mar. 2004 | 54:88-89 |
| Racine Sarasy Foster | U.S.A. | 1985 | 21 Mar. 1991 | 35:191; 41:109 |
| Raulino Reitz | Brazil | 1954 | 20 Nov. 1990 | 41:58:00 |
| Richard Oeser | Germany | 1963 | 6 July 1974 | 13:2; 24:6:225 |
| Robert G. Wilson | Costa Rica | 1970 | 8 Apr. 1989 | 20:98; 39:205 |
| Robert W. Read | U.S.A. | 1977 | 15 Jul. 2003 | 27:194; 53:157-159 |
| Roberto A Kautsky | Brazil | 1986 | 25 May 2010 | 36:195; 60:99 |
| Roberto Burle Marx | Brazil | 1982 | 4 Jun. 1994 | 32:3-11; 44:198-199 |
| Victoria Padilla | U.S.A. | 1982 | 16 Sep. 1986 | 32:2; 37:3-7 |
| Wal B. Charley | Australia | 1963 | 1976 | 13:74; 26:123 |
| Walter Richter | Germany | 1960 | 10 Feb. 1997 | 10:2; 47:226-227 |
| Werner Rauh | Germany | 1969 | 7 Apr. 2000 | 19:26; 50:122-124 |
| William W.G. Moir | U.S.A. | 1980 | 21 Feb. 1985 | 30:98; 35:158 |
| William Weber | Germany | 1984 | 30 Jul. 1986 | 36:264-265 |