| Sigvaldi Guðjónsson | |
| Birth Date: | 4 July 1994 |
| Birth Place: | Reykjavík, Iceland |
| Nationality: | Icelandic |
| Height: | 1.91 m |
| Position: | Right wing |
| Currentclub: | Kolstad Håndball |
| Clubnumber: | 48 |
| Years1: | 2014–2018 |
| Clubs1: | Aarhus Håndbold |
| Years2: | 2018–2020 |
| Clubs2: | Elverum Håndball |
| Years3: | 2020–2022 |
| Clubs3: | Łomża Vive Kielce |
| Years4: | 2022– |
| Clubs4: | Kolstad Håndball |
| Nationalyears1: | 2018– |
| Nationalteam1: | Iceland |
| Nationalcaps1: | 27 |
| Nationalgoals1: | 52 |
Sigvaldi Guðjónsson (born 4 July 1994) is an Icelandic handball player for Kolstad Håndball and the Icelandic national team.[1] [2]
He participated at the 2019 World Men's Handball Championship.[3] [4]