Tatiana Sergeyevna Akimova, née Semenova (; born 26 October 1990) is a Russian biathlete.
She competes in the Biathlon World Cup, and represented Russia at the Biathlon World Championships 2016, the Biathlon World Championships 2017, the 2017 Winter Military World Games, winning a gold medal in 7,5 km team sprint, and 2018 Winter Olympics .