Miyahara Takeo (宮原武雄; fl. c. 1938 - 1956) was a Tokyo-based author, cartographer, and publisher who was an expert on Thailand at the height of Japanese imperialism in the 1930s and 1940s. He was deeply involved with the Thai Room Tokyo Secretariat (タイ室東京事務局) an organization that produced reference publications on Thailand's economy, society, and politics, at least some of which were specifically for the Japanese government's use.