List of triathletes
This is a list of triathletes who are athletes notable for their achievements in the triathlon.
Legend
| Symbol/Column | Description |
| Gold medal in the Olympics, Ironman World Championship, ITU [World Triathlon Series] or ITU Triathlon World Cup Series | |
| Silver medal in the Olympics, Ironman World Championship, ITU World Triathlon Series or ITU Triathlon World Cup Series | |
| Bronze medal in the Olympics, Ironman World Championship, ITU World Triathlon Series or ITU Triathlon World Cup Series | |
| Placement in any major triathlon competition ranked 4th or below | |
| Name | Athlete's name |
| Country | Athlete's citizenship during competition |
| Olympics | Placement in the Olympics |
| Ironman | Placement in the Ironman World Championship |
| WTS | Placement in the ITU World Triathlon Series |
| WC | Placement in the ITU Triathlon World Cup Series |
| Other | Other notable information |
Men
Women
| Name | Country | Olympics | Ironman | WTS | WC | Other | Ref |
| Kate Allen | 2004 2008 | ||||||
| Erin Densham | 2008 2012 | ||||||
| Vanessa Fernandes | 2004 2008 | ||||||
| Jude Flannery | From 1991-96, won six US age group national championship and four world age-group triathlon championships. | ||||||
| Loretta Harrop | 2000 2004 | ||||||
| Helen Jenkins | 2000 2004 | ||||||
| Michellie Jones | 2000 | ||||||
| Brigitte McMahon | 2000 2004 | First women to win a gold medal at the Olympics | |||||
| Magali Messmer | 2000 2008 | ||||||
| Emma Moffatt | 2008 2012 | ||||||
| Lisa Norden | 2008 2012 | ||||||
| Daniela Ryf | 2008 2012 | 2015 2016 2017 | Current overall and "m-dot" record holder; | ||||
| Emma Snowsill | 2008 | ||||||
| Nicola Spirig | 2004 2008 2012 | ||||||
| Chrissie Wellington | WC record holder 2009–2012; undefeated at the Ironman distance | ||||||
| Susan [Williams (triathlete)|Susan Williams] | 2004 |