Chinese apple is a name used for several fruits :
Citrus × sinensis (orange) is referred to as Chinese apple in Dutch, sinaasappel or appelsien, and sometimes German, Apfelsine, Swedish apelsin, and Danish and Norwegian appelsin.
Malus prunifolia, a species in the apple genus (Malus) native to China, used as in breeding and sometimes cultivated for its fruit
Punica granatum (pomegranate) sometimes called Chinese apple in British English
Syzygium luehmannii (riberry) sometimes called Chinese apple in Australian English