Irwin Murray Brodo (born November 7, 1935 in New York City) is an emeritus scientist at the Canadian Museum of Nature, in Ottawa, Ontario, Canada.

[5] In 2016, the trio, with additional collaborator Susan Laurie-Bourque, produced Keys to Lichens of North America: Revised and Expanded.

[6] He has also taught graduate-level courses and given numerous introductory workshops, including a popular field-course on crustose lichens at the Eagle Hill Institute in coastal Maine.

[2] He has also been involved in public service, including work with the Ottawa Field-Naturalists' Club and the Ottawa-Hull chapter of the Canadian Parks and Wilderness Society.

[8] In 2013, Brodo was presented with an honorary doctorate from Carleton University, "in recognition of his distinguished career in lichenology and scientific leadership in the international biosystematics community".