Ekaterina Lopes (ne Ivanova, born December 18, 1987) is a professional Russian tennis player.
Ivanova's highest WTA singles ranking is No. 142, which she reached on June 8, 2009. Her career high in doubles was at No. 142 set at 16 January 2012. Her strongest showing in a tour event to date is reaching the quarterfinal of the Barcelona Ladies Open in 2008 as a qualifier.
