Tatia Mikadze (; born 27 March 1988) is a Georgian former professional tennis player.
Her career-high singles ranking is world No. 281, achieved on 13 September 2010. On 6 June 2011, she peaked at No. 255 in the doubles rankings. Mikadze won three singles and five doubles titles on the ITF Circuit.
She qualified as a lucky loser for the main draw of the Baku Cup, an event of the 2011 WTA Tour, and defeated Nina Khrisanova 6âÂÂ0, 6âÂÂ0, to advance to the second round.