Gretchen Magbanua Abaniel (born November 4, 1985) is a Filipino professional boxer. She held the WIBA mini-flyweight title from 2009 to 2011 and the WIBF mini-flyweight title from 2015 to 2016. She has also challenged for multiple major world titles across three weight classes; the WBA, IBF and WBO female mini-flyweight titles between 2008 and 2017; the WBA female atomweight title in 2013; and the WBO female light-flyweight title in 2018.