in 2014, mamun again competed at the moscow grand prix and won the all-around gold medal. she won three gold medals and one silver in the apparatus finals. mamun competed at the 2014 european championships, but only placed fifth in the all-around. at the 2014 world championships, mamun and her teammates won team gold. mamun won the all-around silver medal, as well as two gold medals and two silvers in the apparatus finals. she was ranked second in the world in 2014.