Tatyana Petrovna Alekseyeva (Russian: Татьяна Петровна Алексеева; born 7 October 1963) is a former 400 metres sprinter from Novosibirsk, Russia.

Alekseyeva was a double gold medallist for the Soviet Union at the 1985 Summer Universiade, taking both individual and relay 400 m titles.

[2] She competed at the 1985 IAAF World Cup that year and shared in a relay silver medal with Irina Nazarova, Mariya Pinigina and Olha Bryzhina.

[3] She was chosen as the heats runner for the 4 × 400 metres relay at the 1991 World Championships in Athletics and helped the Soviet team to the final, where they took a silver medal.

[4] At the 1993 World Championships in Athletics she narrowly missed out on an individual medal, taking fourth behind Jamaica's Sandie Richards, but left the competition with a silver medal through the Russian record-breaking relay team including Ruzina, Margarita Ponomaryova and Irina Privalova, which was runner-up to the United States with 3:18.38 minutes.