Orapin Chaiyakan () (born May 6, 1904) was a Thai politician and teacher. She was born in Ubon Ratchathani, studied education in Bangkok, and served as headteacher of Narinukun School from 1924 to 1940. She was the first woman to be elected to hold a post in the Parliament of Thailand. Specifically, she was elected to become a member of the House of Representatives of Thailand on June 5, 1949.Sopchokchai, Orapin. Female Members of Parliament, Women's Political Participation at the National Level , Women's Political Participation in Thailand, TDRI Quarterly Review, Vol. 13, No. 4, December 1998, pp. 11-20Iwanaga, Kazuki. Women in Politics in Thailand , Working Paper No. 14, Centre for East and South-East Asian Studies, Lund University, Sweden, 2005 She was elected as a representative for Ubon Ratchathani Province.Statistical Booklet on Thai Women and Men, page iv, National Statistical Office, Office of the Prime Minister, 1995 She was a member of the Democrat Party.

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