Haraldur Freyr Guðmundsson (born 14 December 1981) is an Icelandic retired professional footballer who played as a defender. During his career, Guðmundsson played in Norway for Aalesunds FK and Start; in Cyprus for Apollon Limassol; and had three separate spells with his hometown team Keflavík. He is now manager at Reynir Sandgerði and won the 4 Division 2018 with the club, without losing a single game, In 2020 he promoted Reynir to the 2 division. Two promotions in three years.