Yiyang is a prefecture-level city on the Zi River in Hunan province, People's Republic of China, straddling Lake Dongting and bordering Hubei to the north. According to the 2010 Census, Yiyang has a population of 4,313,084 inhabitants residing in an area of . The previous census was in 2000 when it was recorded there were 4,309,143 inhabitants.
Yiyang is a prefecture-level city in Hunan, China
Yiyang may refer to the following locations in China:
- Yiyang County, Henan , of Luoyang Prefecture, Henan
- Yiyang County, Jiangxi , of Shangrao Prefecture, Jiangxi