Guðni Valur Guðnason (born 11 October 1995) is an Icelandic discus thrower[1] who was selected to compete at the 2016 Summer Olympics in Rio de Janeiro.

[3] His personal best in the event is 69.35 metres set in Laugardalur in 2020.

[4] He is the current Icelandic record holder.

[5] Guðni qualified for the 2020 Summer Olympics in Tokyo, Japan.

This biographical article relating to Icelandic athletics and track and field is a stub.