東山

東山, meaning "eastern mountain(s)", may refer to:

Mandarin Chinese reading Dōngshān (also in simplified characters 东山):
 * Dongshan County, Zhangzhou, Fujian, People's Republic of China
 * Dongshan Island, location of the Chinese Civil War Battle of Dongshan Island
 * Dongshan District, Guangzhou, Guangdong, People's Republic of China
 * Dongshan District, Hegang, Heilongjiang, People's Republic of China
 * Dongshan District, Jieyang, Guangdong, People's Republic of China
 * Dongshan District, Tainan, Taiwan, Republic of China
 * Dongshan District, Urumqi, Xinjiang, People's Republic of China
 * Shi Dongshan (1902–1955), Chinese film director

Cantonese Chinese reading Dūngsāan:
 * Tung Shan (mountain), mountain in Hong Kong
 * Yi Tung Shan, mountain in Hong Kong
 * Sunset Peak (大東山), mountain in Hong Kong
 * Tung Shan Mansion, building in Ko Shan Terrace, Taikoo Shing, Hong Kong

Korean reading Dongsan:
 * Pen name of South Korean politician Yun Chi-Young
 * Dongsan Station, Deokjin-gu, Jeonju, Jeollabuk-do, South Korea

Japanese on-yomi Tōsan or kun-yomi Higashiyama, as a placename:
 * Higashiyama-chō, Chikusa-ku, Nagoya, Japan
 * Higashiyama, Iwate, former town in Iwate, Japan
 * Higashiyama-ku, Kyoto, Japan
 * Higashiyama period
 * Higashiyama Line, Nagoya Municipal Subway System, Japan
 * Higashiyama Station (Kyoto), Japan
 * Higashiyama Station (Hokkaidō), Japan
 * Higashiyama Station (Nara), Japan
 * Tōsandō, old Japanese geographical region
 * Tōkai–Tōsan dialect

Japanese kun-yomi Higashiyama, as a name:
 * Emperor Higashiyama (1675–1710), 113th Emperor of Japan
 * Kaii Higashiyama (1908–1999), 20th-century Japanese artist.
 * Noriyuki Higashiyama, member of J-pop group Shonentai