The term Sinosphere usually refers to a cultural zone in East Asia and Southeast Asia that has been significantly influenced by Chinese culture.

It may also refer to: Sinophone world, the area (mostly East Asia and Southeast Asia) in which Chinese languages are spoken by the majority or a significant number of people Sinosphere (linguistics), James Matisoff's name for the Mainland Southeast Asia linguistic area Sinocentrism, an ideology that the lands which make up China is the cultural, political, or economic center of the world Greater China, a geographical region comprising mainland China, Hong Kong, Macau, and Taiwan

See also Little China (ideology), an ideology in which various historical Japanese, Korean, and Vietnamese regimes considered themselves "China" and legitimate inheritors of the Chinese civilization Sinophile, one who demonstrates a strong interest and love for Chinese culture or its people