Octuple champion
In boxing, an Octuple champion is a boxer who has won major world titles in eight different weight classes.
Manny Pacquiao is the only boxer to win twelve major world titles in eight different weight divisions.
Pacquiao clinched the feat when he defeated Antonio Margarito via a unanimous decision to win the WBC super welterweight title on November 13, 2010 at the Cowboys Stadium, Arlington, Texas, USA.
Nine of his world championships came from the "Big Four" sanctioning bodies and three were from The Ring.
He also won the prestigious and coveted lineal championship in five different weight divisions: flyweight, featherweight, super featherweight, light welterweight, and welterweight.
The following are the major world titles won by Pacquiao :
| World Titles from The Ring | |
| World Titles from Lineal Championship |
| Name | Titles | Date | Opponent | Result | Defenses |
 Manny Pacquiao | WBC Flyweight | 1998-12-04 |  Chatchai Sasakul | KO 8/12 | 1 |
| Manny Pacquiao | Lineal Flyweight | 1998-12-04 | Chatchai Sasakul | KO 8/12 | 1 |
| Manny Pacquiao | IBF Junior Featherweight | 2001-06-23 |  Lehlohonolo Ledwaba | TKO 6/12 | 4 |
| Manny Pacquiao | The Ring Featherweight | 2003-11-15 |  Marco Antonio Barrera | TKO 11/12 | 2 |
| Manny Pacquiao | Lineal Featherweight | 2003-11-15 | Marco Antonio Barrera | TKO 11/12 | 2 |
| Manny Pacquiao | WBC Super Featherweight | 2008-03-15 | Juan Manuel Márquez | SD 12/12 | 0 |
| Manny Pacquiao | The Ring Junior Lightweight | 2008-03-15 | Juan Manuel Márquez | SD 12/12 | 0 |
| Manny Pacquiao | Lineal Super Featherweight | 2008-03-15 | Juan Manuel Márquez | SD 12/12 | 0 |
| Manny Pacquiao | WBC Lightweight | 2008-06-28 |  David Díaz | TKO 9/12 | 0 |
| Manny Pacquiao | The Ring Junior Welterweight | 2009-05-02 |  Ricky Hatton | KO 2/12 | 0 |
| Manny Pacquiao | Lineal Light Welterweight | 2009-05-02 | Ricky Hatton | KO 2/12 | 0 |
| Manny Pacquiao | WBO Welterweight | 2009-11-14 |  Miguel Ángel Cotto | TKO 12/12 | 3 |
| Manny Pacquiao | WBC Super Welterweight | 2010-11-13 | Antonio Margarito | UD 12/12 | 0 |
| Manny Pacquiao | WBO Welterweight | 2014-04-12 | Timothy Bradley | UD 12/12 | 1 |
| Manny Pacquiao | Lineal Welterweight | 2016-04-09 | Timothy Bradley | UD 12/12 | 0 |
| Manny Pacquiao | WBO Welterweight | 2016-11-05 | Jessie Vargas | UD 12/12 | 0 |
| Manny Pacquiao | WBA Welterweight | 2019-07-20 | Keith Thurman | SD 12/12 | 0 |
| Manny Pacquiao | - | - | - | - | - |