Xinghai may refer to:
The semilegendary "Sea of Stars" () traditionally considered the source of China's Yellow River Xinghai County, in Hainan Tibetan Autonomous Prefecture, Qinghai, China Xinghai Conservatory of Music, in Guangzhou, Guangdong, China Xinghai Square, in Dalian, Liaoning, China Beijing Xinghai Piano Group Limited, musical instrument manufacturers in China