Y
- (Wuzhishan City) Yari
- (Wanning Shi) Yuhoucun
- (Sanya Shi) Yulin
- (Baisha Li Autonomous County) Yitiao
- (Qiongzhong Li and Miao Autonomous County) Yingpan
- (Sanya Shi) Yanglan
- (Wenchang Shi) Yandunxu
- (Sanya Shi) Yaliang
- (Baisha Li Autonomous County) Yada
- (Baisha Li Autonomous County) Yongchu
- (Baisha Li Autonomous County) Yanan
- (Baisha Li Autonomous County) Yashi
- (Baisha Li Autonomous County) Yaqiong
- (Baisha Li Autonomous County) Yingpan
- (Qiongzhong Li and Miao Autonomous County) Yahan
- (Sanya Shi) Yazaitang
- (Sanya Shi) Yuhong
- (Wenchang Shi) Yunlouxi
- (Danzhou Shi) Yangyue
- (Chengmai County) Yubao
- (Dongfang City) Yapao
- (Dongfang City) Yingxian
- (Changjiang Li Autonomous County) Yong’an
- (Sanya Shi) Yanzao
- (Wanning Shi) Yangmei
- (Wanning Shi) Yingwen
- (Haikou Shi) Yu’an
- (Haikou Shi) Yongzhuang
- (Haikou Shi) Yongde
- (Haikou Shi) Yongdong