Ana Maria Brânza (Romanian pronunciation: ['ana ma'ri.a 'br?nz?], born 26 November 1984, current name Ana Maria Popescu) is a Romanian épée fencer.
She earned the silver medal in the individual épée event at the 2008 Summer Olympic Games and the gold medal in the 2013 European Fencing Championships.
She won the women's épée World Cup series a record-equalling three times (2007–08, 2008–09, and 2012–13), with thirteen World Cup titles to her name.
With the Romanian team she was twice World champion (2010 and 2011) and six-times European champion (2006, 2008, 2009, 2011, 2014, and 2015).