| David Cadieux | |
| Fullname: | David Cadieux |
| Weight Class: | Light Heavyweight |
| Birth Date: | 25 November 1974 |
| Birth Place: | Saint-Jean-sur-Richelieu, Quebec |
| Height: | 6 ft 6 in[1] |
| Weight: | 91kg (201lb) |
David Cadieux (born November 25, 1974) is a Canadian professional boxer. As an amateur, he won the silver medal at the 2002 Commonwealth Games.
As a professional boxer, on May 12, 2006, at the Aréna Jacques Plante, Cadieux won the Canadian belt stopping former Canuck champion Patrice L'Heureux at the very beginning of the 7th round by a powerful left hook on the side of the head dropping him down for the 4th and last time of the evening. In 2007 he lost the national title to Raymond Olubowale by KO.
|-| style="text-align:center;" colspan="8"|17 Wins (12 knockouts, 5 decisions), 3 Losses (1 knockout, 2 decisions), 1 No Contest [2] |- style="text-align:center; background:#e3e3e3;"| style="border-style:none none solid solid; "|Result| style="border-style:none none solid solid; "|Record| style="border-style:none none solid solid; "|Opponent| style="border-style:none none solid solid; "|Type| style="border-style:none none solid solid; "|Round| style="border-style:none none solid solid; "|Date| style="border-style:none none solid solid; "|Location| style="border-style:none none solid solid; "|Notes|- align=center|Loss||align=left|
Raymond Olubowale|TKO|6|21/09/2007|align=left| Trois-Rivieres, Quebec, Canada|align=left||-|Win||align=left|
Wade Lewis|TKO|1|03/08/2007|align=left| Montreal, Quebec, Canada|align=left||-|Loss||align=left|
Josue Blocus|SD|12|12/05/2007|align=left| Montreal, Quebec, Canada|align=left||-|Win||align=left| Ray Lunsford|TKO|1|14/04/2007|align=left| Montreal, Quebec, Canada|align=left||-|Win||align=left| Ross Puritty|UD|10|10/02/2007|align=left| Montreal, Quebec, Canada|align=left||-|Win||align=left| Patrice L'Heureux|UD|12|18/11/2006|align=left| Trois-Rivieres, Quebec, Canada|align=left||-|Win||align=left|
Rogerio Lobo|RTD|4|23/06/2006|align=left| Montreal, Quebec, Canada|align=left||-|Win||align=left| Patrice L'Heureux|KO|7|12/05/2006|align=left| Shawinigan, Quebec, Canada|align=left||-|Win||align=left| Matthew Greer|UD|8|11/02/2006|align=left| Montreal, Quebec, Canada|align=left||-|Win||align=left| Marcus McGee|UD|8|10/12/2005|align=left| Montreal, Quebec, Canada|align=left||-|Win||align=left| Demetrice King|UD|8|01/10/2005|align=left| Trois-Rivieres, Quebec, Canada|align=left||-|Win||align=left| Clinton Boldridge|TKO|2|18/06/2005|align=left| Montreal, Quebec, Canada|align=left||-|Win||align=left| Raymond Olubowale|KO|5|16/04/2005|align=left| Victoriaville, Quebec, Canada|align=left||-|Win||align=left| Vernon Woodward|KO|1|12/03/2005|align=left| Montreal, Quebec, Canada|align=left||-|Win||align=left| Marcelo Aravena|TKO|2|03/03/2005|align=left| Montreal, Quebec, Canada|align=left||-|Win||align=left| William Cook|TKO|1|12/02/2005|align=left| Montreal, Quebec, Canada|align=left||-|Win||align=left| Robert Murphy|KO|1|17/12/2004|align=left| Montreal, Quebec, Canada|align=left||-|Win||align=left| Matt Anderson|TKO|3|13/11/2004|align=left| Montreal, Quebec, Canada|align=left||-|Win||align=left| Monte Cutshall|KO|1|09/10/2004|align=left| Montreal, Quebec, Canada|align=left||-|Loss||align=left|
Claudio Rasco|SD|4|29/09/2004|align=left| Montreal, Quebec, Canada|align=left||-|No Contest||align=left| Daryl Smith|NC|2|11/09/2004|align=left| Montreal, Quebec, Canada|align=left||}