Efe Ajagba (born 22 April 1994) is a Nigerian professional boxer who holds the record for the fastest victory in boxing history after his opponent was disqualified for leaving the ring one second after the opening bell.

Competing in the super heavyweight division he defeated Junior Fa of Tonga in the round of 16 and Paul Schafer of South Africa in the quarterfinals.

[1][3] At the 2015 African Games held in Brazzaville, Republic of the Congo, Ajagba was selected as the Nigerian entrant in the men's super heavyweight event.

[4][5][6] In 2016 he won the gold medal in the super heavyweight event at the African Boxing Olympic Qualification Tournament held in Yaoundé, Cameroon.

[10] Ajagba was the only Nigerian boxer of the ten who competed to qualify for Rio through the tournament, leading to claims from Nigeria's coach Konyegwachie that judges had been bribed.

[16] Ajagba faced off against undefeated Frank Sánchez on 9 October 2021 on the undercard of Tyson Fury vs. Deontay Wilder III.