Japanese bitter orange

Japanese bitter orange may refer to:
 * Poncirus trifoliata: Trifoliate orange, Japanese bitter-orange (カラタチ), hardy orange, Chinese bitter orange
 * Citrus ×daidai (Daidai): variety of bitter orange (Citrus ×aurantium), Japanese bitter orange (ダイダイ)
 * Aegle marmelos: bael/bili/bhel, Bengal quince, golden apple, Japanese bitter orange (ベルノキ), stone apple, wood apple