Chinese apple is a name used for several fruits :

Citrus × sinensis, the orange, is referred to as Chinese apple in Dutch, sinaasappel or appelsien, Swedish apelsin, Finnish appelsiini, Danish and Norwegian appelsin, Icelandic appelsína, Lithuanian apelsinas, and sometimes German Apfelsine. 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 Ziziphus jujuba is referred to as Chinese apple in Vietnamese, táo tàu, or simply táo.