Ronald Eric Johnstone (born 1949) is an Australian ornithologist who worked for the Western Australian Museum for many years. The bat species Otomops johnstonei is named in his honour.
Johnstone, R. E. (1988) Ben Island, Archipelago of the Recherche, Western Australia. Corella, vol.12 no.3 (October 1988), p. 89-90Johnstone, R. E. (1990) Mangroves and mangrove birds of Western Australia. Records of the Western Australian Museum. Supplement, No. 32, 1990,Johnstone, R. E. and G.M. Storr (1998-2004) Handbook of Western Australian birds Perth, W.A. : Western Australian Museum, 1998-2004.ISBN 0730712087 (v. 1) ISBN 1-920843-11-6 (v. 2)Johnstone, R. E. (2001) Checklist of the birds of Western Australia. Records of the Western Australian Museum. Supplement, No. 63, p. 75-90Coate, Kevin H. and Johnstone, R.E. (2007) Seabirds and shipwrecks : exploring the Houtman Abrolhos Archipelago Perth, W.A. : Dept. of Environment and Conservation, 2007. Abrolhos Islands, Western Australia, 11–18 December 2007 Expedition was offered by Landscope, the Department of Environment and Conservation's (DEC's) quarterly magazine in association with UWA Extension, The University of Western Australia." 