Rose apple may refer to:
- Angophora costata, a common woodland and forest tree of Eastern Australia
- Various Syzygium species, especially the following:
Rose apples are one of the most common hosts for fruit flies like A. suspensa, which will lay their eggs in overripe or spoiled rose apples. The larvae of these flies will then consume the fruit in order to gain nutrients until they can proceed into the pupa stage. This parasitism has led to millions in economic costs for nations in Central America.
- Sivinski, J.M.; Calkins, C.O.; Baranowski, R.; Harris, D.; Brambila, J.; Diaz, J.; Burns, R.E.; Holler, T.; Dodson, G. (April 1996). "Suppression of a Caribbean Fruit Fly (Anastrepha suspensa(Loew) Diptera: Tephritidae) Population through Augmented Releases of the ParasitoidDiachasmimorpha longicaudata(Ashmead) (Hymenoptera: Braconidae)". Biological Control. 6 (2): 177–185. doi:10.1006/bcon.1996.0022. ISSN 1049-9644.