Eucalyptus macrorhyncha, commonly known as the red stringybark,[3] is a species of medium-sized tree that is endemic to eastern Australia.

It has rough, stringy, grey to brown bark, lance-shaped adult leaves, flower buds in groups of between seven and eleven, white flowers and hemispherical fruit.Eucalyptus macrorhyncha is a tree that typically grows to a height of 12–35 m (39–115 ft) and forms a lignotuber.

[4] Eucalyptus macrorhyncha was first formally described in 1867 by George Bentham based on specimens collected by Frederick Adamson and by Ferdinand von Mueller who gave the species its name and wrote an unpublished description.

[7][8] In 1973, Lawrie Johnson and Donald Blaxell changed the name of Eucalyptus cannonii to E. macrorhyncha subsp.

[3][6][12][13] E. macrorhyncha is listed as a least concern species with the International Union for the Conservation of Nature as it is spread over a broad geographic range and has an estimated extent of occurrence of 702,982 km2 (271,423 sq mi) and an estimated area of occupancy of 2,228 km2 (860 sq mi).