Tatiana Viktorovna Vidmer (née "Bokareva", ; born 8 January 1986) is a Russian basketball power forward. She is a member of the Russian national team and played at the EuroBasket 2011 and at the 2010 World Championship, where she topped the steals, blocked shots and assists statistics. At the club level she won the EuroCup in 2013 and 2014 with Dynamo Moscow.