Dongyang (东阳市) is a county-level city in Zhejiang province, China.
Dongyang or Tongyang may also refer to:
Places The Orient, in Chinese () and Korean () Dongyang, Liuyang (洞阳镇), a town in Liuyang city, Hunan province, China
Organisations Dong Yang Animation Co., LTD, South Korean animation studio Tongyang Group, former South Korean conglomerate Dongyang Cement, South Korean cement company now known as Sampyo Cement Orion Confectionery, established in 1956 as Tongyang Confectionery Corp Tongyang Broadcasting Company, former South Korean broadcasting company merged into KBS in 1980 Dongyang University, university in Yeongju, South Korea
See also Dong Yang (born 1983), Chinese football player Li Dongyang (1447–1516), Ming Dynasty scholar