GBF

GBF may refer to:


 * Bilfinger, a German firm, stock symbol
 * G.B.F. (film), 2013, US
 * Gaikundi language, native to Papua New Guinea
 * Gain before feedback
 * Gay best friend
 * Georgian Basketball Federation
 * Graduate Business Forum, US
 * Grassroots Business Fund, US
 * Gundam Build Fighters, Japanese anime series