Nonito Donaire, Jr. (born November 16, 1982) is a Filipino American professional boxer. Known as "The Filipino Flash," Donaire is a three-division world champion and the former IBF, WBO, The Ring Super Bantamweight Champion. He is also the former WBC, WBO Bantamweight, Interim WBA Super Flyweight, IBF and IBO Flyweight Champion.

He is a known switch-hitter with the ability to fight either southpaw or orthodox. His surname is often mispronounced as do-nayr but it is properly pronounced as do-nigh-reh.