| Guðmundur Hólmar Helgason | |
| Nationality: | Icelandic |
| Birth Date: | 5 August 1992 |
| Birth Place: | Akureyri, Iceland |
| Position: | Centre back |
| Currentclub: | SG Handball West Wien |
| Clubnumber: | 6 |
| Years1: | 2009–2013 |
| Clubs1: | Akureyri Handboltafélag |
| Years2: | 2013–2016 |
| Clubs2: | Valur |
| Years3: | 2016–2018 |
| Clubs3: | Cesson Rennes |
| Years4: | 2018–2020 |
| Clubs4: | SG Handball West Wien |
| Years5: | 2020–2023 |
| Clubs5: | Selfoss |
| Years6: | 2023– |
| Clubs6: | Haukar |
| Nationalteam1: | Iceland |
| Nationalcaps1: | 25 |
| Nationalgoals1: | 6 |
Guðmundur Hólmar Helgason (born 5 August 1992) is an Icelandic handball player who currently plays for Selfoss and the Icelandic national team.
He was a member of the Icelandic national team roster for the 2016 European Men's Handball Championship[1] [2] [3]