McIntyre
The taxon authority McIntyre may refer to:
- Andrew McIntyre (1931–2019, McIntyre), U.S. phycologist and palaeobotanist
- David John McIntyre (1935–2011, D.J.McIntyre), Canadian and New Zealand palaeobotanist
- Erin McIntyre (19..–, E.McIntyre), British zoologist