This category lists professional boxers who have held a full world championship by the International Boxing Organization (IBO).
Pages in category "International Boxing Organization champions"
The following 132 pages are in this category, out of 132 total. This list may not reflect recent changes.
B
D
H
L
M
- Brian Magee
- Michael Magnesi
- Masibulele Makepula
- Peter Manfredo Jr.
- Rafael Márquez (boxer)
- Claudio Marrero
- Emiliano Marsili
- Sergio Martínez (boxer)
- Jack Massey (boxer)
- Floyd Mayweather Jr.
- Jeff Mayweather
- Roger Mayweather
- Thulani Mbenge
- Jessica McCaskill
- Padraig McCrory
- Mohamed Mimoune
- Mea Motu
- Moruti Mthalane
- Anthony Mundine
- Karo Murat