- 海豚座 Hǎitúnzuò DelphinusDelphinus (constellation)
- 海豚馆 hǎitúnguǎn dolphinarium
- 瓶鼻海豚 píngbíhǎitún bottlenose dolphinbottle-nosed dolphin (Tursiops truncatus)
- 鼠海豚 shǔhǎitún porpoise
- 海豚音 hǎitúnyīn whistle register(singing) (coll.) whistle note
- 宽吻海豚 kuānwěnhǎitún bottlenose dolphinbottle-nosed dolphin (Tursiops truncatus)
