- 海南省 hǎinánshěng Hainan ProvinceHainan Province, the southernmost province of China with its capital at [[海口|海口|hai3 kou3]]
- 海南岛 hǎinándǎo Hainan Islandan island in the South China Sea, located off the southern coast of China
- 海南大学 hǎinándàxué Hainan UniversityHainan University, a comprehensive public university located in Haikou, Hainan Province
- 海南州 hǎinánzhōu Hainan PrefectureHainan Tibetan Autonomous Prefecture in Qinghai Province, China
- 海南区 hǎinánqū Hainan DistrictHainan District of [[乌海市|烏海市|wu1 hai3 shi4]] in Inner Mongolia
- 海南蓝仙鹟 hǎinánlánxiānwēng Hainan blue flycatchera bird species native to China and Southeast Asia (Cyornis hainanus)
- 海南藏族自治州 hǎinánzàngzúzìzhìzhōu Hainan Tibetan Autonomous PrefectureHainan Tibetan Autonomous Prefecture in [[青海|青海|qing1 hai3]] province.
- 海南鳈 hǎinánquán hainan gudgeonSarcocheilichthys hainanensis, a species of cyprinid fish found in China, Laos, and Vietnam
- 海南鳽 hǎinányán white-eared night heronthe white-eared night heron (Oroanassa magnifica), a rare bird species found primarily in southern China
- 黄海南道 huánghǎinándào South Hwanghae ProvinceSouth Hwanghae Province of North Korea
- 海南孔雀雉 hǎinánkǒngquèzhì Hainan peacock-pheasanta bird species of China with the scientific name Polyplectron katsumatae
- 海南山鹧鸪 hǎinánshānzhègū Hainan partridgeHainan partridge; a bird species (Arborophila ardens) native to the island of Hainan in China
- 海南戏 hǎinánxì Hainan operaRegional opera popular in Hainan Province and parts of the Leizhou Peninsula
- 海南柳莺 hǎinánliǔyīng Hainan leaf warbler(bird species of China) Hainan leaf warbler (Phylloscopus hainanus)
- 海南航空 hǎinánhángkōng Hainan AirlinesHainan Airlines, a major airline headquartered in Haikou, Hainan Province
