Marcellus Joseph Johnson, better known as Mark "Too Sharp" Johnson, is an American former professional boxer who competed from 1990 to 2006. He is a three-time world champion in two weight classes, having held the IBF flyweight title from 1996 to 1999; the IBF junior bantamweight title from 1999 to 2000; and the WBO junior bantamweight title from 2003 to 2004.

A fast and skilled southpaw, Johnson reached a peak Ring magazine pound for pound ranking of fifth in 1998, and is the first African-American boxer to win a flyweight world title. In 2012 he was inducted into the International Boxing Hall of Fame.

01. Alberto Jimenez (fight# 15)

02. Armando Diaz (fight# 16)

03. Roberto Alvarez (fight# 17)

04. Eduardo Ramirez (fight 18)

05. Enrique Orozco (fight# 22)

06. Leon Salazar (fight# 23)

07. Mauro Diaz (fight# 24)

08. Rafael Granillo (fight# 25)

09. Josue Camacho (fight# 26)

10. Marcos Pacheco (fight# 27)

11. Raul Rios (fight# 29)

12. Francisco Tejedor (fight# 30)

13. Raul Juarez (fight# 31)

14. Alejandro Montiel (fight# 32)

15. Cecilio Espino (fight# 33)

16. Angel Almena (fight# 34)

17. Arthur Johnson (fight# 35)

18. Luis Rolon (fight# 36)

19. José Laureano (fight# 37)

20. Ratanachai Sor Vorapin (fight# 38)

21. Jorge Lacierva (fight# 39)

22. Raul Juarez II (fight# 40)

23. Sergio Perez (fight# 41)

24. Arturo Valenzuela (fight# 42)

25. Rafael Marquez I (fight# 43)

26. Rafael Marquez II (fight# 44)

27. Fernando Montiel (fight# 46)

28. Luis Bolano (fight# 47)

29. Jhonny Gonzalez (fight# 50-last fight)