Heaviest rainbow trout fish caught in competition

- Who
- Sean Konrad
- What
- 21.77 kilogram(s)
- Where
- Canada (Lake Diefenbaker,)
- When
- 05 September 2009
According to the International Game Fish Association (IGFA), a 21.77-kg (48-lb) rainbow trout (Oncorhynchus mykiss) was caught at Lake Diefenbaker, Canada, on 5 September 2009 by Sean Konrad.
The fish measured 106.68 cm (3 ft 6 in) in length and had a girth of 81.28 cm (2 ft 8 in).