Ester Aparecida dos Santos (born on 9 December 1982), commonly known mononymously as Ester, is a Brazilian association football player. She currently plays as a "volante" (defensive midfielder) for BV Cloppenburg of the German Frauen-Bundesliga. Ester was part of the Brazil women's national football team who finished as runners–up in the 2007 World Cup and 2008 Summer Olympics.