St. John's Episcopal Cathedral (Chinese: 聖約翰座堂; pinyin: Shèngyuēhàn Zuòtáng; Wade–Giles: Shêng⁴-yüeh¹-han⁴ tso⁴-tʽang²) is the cathedral of the Episcopal Diocese of Taiwan, a diocese of the Episcopal Church of the United States, which is part of the worldwide Anglican Communion. The cathedral church is located at No. 280, Second Section, Fuhsing South Road, Da'an District, Taipei, Taiwan.

A large building in southern Taipei, it was built in 1955 by Chinese Anglicans who had fled mainland China in 1949 after the Chinese Communist Revolution. It was elevated to a cathedral when the Diocese of Taiwan was established in 1961–1962. The annex was added in 1963.