Guðmundur Sigurjónsson

Guðmundur Sigurjónsson
Guðmundur (left) vs. Gennadi Sosonko (Hoogovens, 1977)
CountryIceland
Born25 September 1947 (1947-09-25) (age 77)
Reykjavík, Iceland
TitleGrandmaster (1975)
FIDE rating2463 (June 2025) [inactive]
Peak rating2530 (January 1976)

Guðmundur Sigurjónsson (born 25 September 1947) is an Icelandic chess grandmaster. He is a three-time Icelandic Chess Champion.