Oleksandra "Sasha" Sidorenko is a Ukrainian-born Polish professional boxer who held the European female lightweight title in 2017.

Sidorenko made her professional debut on 18 April 2015, scoring a four-round unanimous decision (UD) victory against Bojana Libiszewska at the Arena Hall in Legionowo, Poland.

[3] After compiling a record of 6–0 (1 KO), she defeated Isabelle Pare via UD to capture the vacant European female lightweight title on 30 September 2017, at the Hala ICDS in Łomianki, Poland, with the judges scorecards reading 100–90, 100–90 and 100–91.

[6] On 24 September 2021, Sidorenko fought Serbia's Jelena Janićijević for the vacant European female lightweight title with the contest ending in a draw.

[7] The boxers met again to decide the title on 5 March 2022, with Janićijević winning by split decision to hand Sidorenko the first defeat of her professional boxing career.