Viktoriya Tkachuk is a Ukrainian track and field athlete specializing in the 400m hurdles. She represented her country at the 2015 World Championships in Athletics in Beijing without advancing from the first round, and at the 2016 Olympics, where she qualified to the semifinals. Her personal best in the event is 54.25 seconds set in Tokyo in 2021, where qualified for the finals of the 400m hurdles.
Viktoriya Tkachuk was born on November 8, 1994, in Pleshchin, Ukraine. She started training athletics in 2006 and from 2011 to 2014 she studied at the Donetsk Higher School of the Olympic Reserve.
Since 2013, Viktoriya Tkachuk has repeatedly won and won national competitions in the 400m and 400m hurdles, in 2015 she won a bronze medal at the European Team Championships in Cheboksary and in the same year took part in the World Championships in China.
In 2016, Viktoriya Tkachuk represented Ukraine at the Summer Olympics in Rio de Janeiro. In the 400m hurdles she reached the semifinals, where she took the last eighth place in her race.
In 2021, Viktoriya Tkachuk qualified for the finals of 400m hurdles in Tokyo 2020 Olympics.