Tamar Khmiadashvili (Georgian: ????? ???????????; born 27 November 1944; died 2019 ) was a Georgian chess player holding the FIDE title of Woman Grandmaster (WGM).
She won the Georgian Women's Championship in 1972, 1975 and 1978, the European Women's Senior Championship in 2010, and the World Women's Senior Championship in 1998, 1999, 2003, 2010 and 2017 (in the 65+ age category).
She placed second in the latter event in 1995–1997.
Since 2007 she is a FIDE Arbiter.
Khmiadashvili is fluent in German.