Joanna Fiodorow (born 4 March 1989) is a Polish retired athlete who specialized in the hammer throw.

In 2014 she won the bronze medal at the European Championships with a throw of 73.67 m.[2] She competed at the 2012 Olympic Games in London and the 2016 Olympic Games in Rio, taking 9th place in both finals.

[3] Her personal best throw is 76.35 meters, achieved during 2019 World Championships in Doha.

In 2012 she was coached by Czesław Cybulski.

[4] After retiring in 2021 she became the coach of Wojciech Nowicki.