Tatyana Petrovna Alekseyeva (Russian: Татьяна Петровна Алексеева; born 7 October 1963) is a former 400 metres sprinter from Novosibirsk, Russia. Her personal best result was 49.98. She retired from international competition after 1998. A three-time individual Russian national champion, she won 400 m silver medals at the IAAF World Indoor Championships and European Athletics Indoor Championships. With the Russian 4 × 400 metres relay team, she set an indoor world record to win gold at the 1997 IAAF World Indoor Championships and set the Russian record of 3:18.38 as silver medallist at the 1993 World Championships in Athletics.