Guðmundur Guðmundsson
Guðmundur Guðmundsson is the name of the following people:
- Guðmundur Guðmundsson (ski racer) (1920–2007), Icelandic ski racer
- Guðmundur Guðmundsson , known as Erró (* 1932), Icelandic painter
- Guðmundur Guðmundsson (handball trainer) (* 1960), Icelandic handball trainer
- Guðmundur Arnar Guðmundsson (* 1982), Icelandic director
- Guðmundur Í. Guðmundsson (1909–1987), Icelandic politician
