Mira Antonitsch (born 16 December 1998) is an inactive Austrian tennis player.
Antonitsch has won two singles and five doubles titles on the ITF Women's Circuit. On 12 June 2017, she reached her best singles ranking of world No. 507. On 4 November 2019, she peaked at No. 717 in the WTA doubles rankings.
In May 2016, Antonitsch was awarded a wildcard into the main draw of the 2016 Nürnberger Versicherungscup, but lost in the first round to fourth seed and world No. 42, Lesia Tsurenko.
Her father, Alex Antonitsch, was also a professional tennis player.
Antonitsch was nominated to make her Fed Cup debut for Austria in 2019, while the team was competing in the Europe/Africa Zone Group II; their opponents forfeited the match.
* walkover doesn't count in her overall record.