Duncan Suttles
| Duncan Suttles | |
|---|---|
| Country | Canada | 
| Born | 21 December 1945 (age 79) San Francisco, California | 
| Title | 
 | 
| FIDE rating | 2420 (January 1985) | 
| Peak rating | 2485 (July 1973) | 
| Peak ranking | No. 94 (July 1973) | 
| ICCF rating | 2632 (January 1992) | 
Duncan Suttles (born 21 December 1945) is a Canadian chess grandmaster. Canada's second grandmaster after Abe Yanofsky, Suttles was recognized internationally for the originality of his strategic play in the mid-1960s and 70s. He retired from competitive chess in 1985.