Rehe is primarily the atonal pinyin romanization of (lit. "Hot Creek"), the former Chinese name of Chengde in northeastern China.

It may also refer to:

Jehol Province, former province of the Qing Empire, Republic of China, Manchukuo, and People's Republic of China now divided among other provinces in northeastern China Rehe Creek or Rehe River, the -long stream that gave its name to the city and province Rehe Diary, another name for the Jehol Diary, an expansive Korean travelogue on northeastern China in the 1780s Battle of Rehe in the run-up to the Second Sino-Japanese War (WWII) Rehe Guard Army, an army of the Japanese puppet state of Manchukuo during WWII Rehe, Germany, community in Rhineland-Palatinate, Germany Stephanie Rehe (b. 1969), American professional tennis player

See also Jehol Biota, lifeforms particular to the Rehe area