| Competition: | 2023 Besta deild karla |
| Season: | 2023 |
| Dates: | 10 April – 8 October 2023 |
| Winners: | Víkingur Reykjavík |
| Relegated: | ÍBV Keflavík |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Víkingur Reykjavík |
| Continentalcup2: | Conference League |
| Continentalcup2 Qualifiers: | Breiðablik Stjarnan Valur |
| Biggest Home Win: | |
| Biggest Away Win: | |
| Highest Scoring: | |
| Matches: | 119 |
| Total Goals: | 404 |
| League Topscorer: | Emil Atlason |
| Longest Wins: | 8 matches Víkingur Reykjavík |
| Longest Unbeaten: | 11 matches Víkingur Reykjavík |
| Longest Winless: | 19 matches Keflavík |
| Longest Losses: | 5 matches KR ÍBV |
| Updated: | 24 August 2023 |
| Prevseason: | 2022 |
| Nextseason: | 2024 |
The 2023 Besta deild karla was the 112th season of top-flight Icelandic football. It was the second season of the league after it was rebranded as Besta deild karla.[1]
The winners (Víkingur Reykjavík) qualified for the 2024–25 Champions League first qualifying round. The second, third, and fourth-placed teams (Breiðablik, Stjarnan, and Valur) qualified for the 2024–25 Conference League first qualifying round. The bottom two teams (ÍBV and Keflavík) were relegated to the 2024 1. deild karla.
The league consisted of twelve teams; the top ten teams from the previous season, and two teams promoted from 1. deild karla. Breiðablik entered the season as defending champions.[2]
| Team | Location | Stadium | Capacity | |
|---|---|---|---|---|
| Breiðablik | Kópavogur | Kópavogsvöllur | 3,009[3] | |
| FH | Hafnarfjörður | Kaplakriki | 6,450[4] | |
| Fram | Reykjavík | Laugardalsvöllur | 9,800 | |
| Fylkir | Reykjavík | Floridana völlurinn | 1,854[5] | |
| HK | Kópavogur | Kórinn | 1,452[6] | |
| ÍBV | Vestmannaeyjar | Hásteinsvöllur | 2,300 (534 seated) | |
| KA | Akureyri | Akureyrarvöllur | 1,645[7] | |
| Keflavík | Reykjanesbær | Keflavíkurvöllur | 5,200 | |
| KR | Reykjavík | Alvogenvöllurinn | 3,333[8] | |
| Stjarnan | Garðabær | Samsung völlurinn | 1,440 | |
| Valur | Reykjavík | Valsvöllur | 2,465[9] | |
| Víkingur Reykjavík | Reykjavík | Víkingsvöllur | 2,023[10] |
Each team plays each other twice (22 matches each), once at home and once away.[11]
Each team plays each other once (5 matches), either at home or away.
Each team plays each other once (5 matches), either at home or away.
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 |  Tryggvi Hrafn Haraldsson | Valur | 11 |
| 2 | Birnir Snær Ingason | Víkingur Reykjavik | 10 |
| Nikolaj Hansen | Víkingur Reykjavik | ||
| Stefán Ingi Sigurðarson | Breiðablik | ||
| 5 | Emil Atlason | Stjarnan | 9 |
| 6 | Adam Pálsson | Valur | 8 |
 Fred Saraiva | Fram | ||
| Kjartan Finnbogason | FH | ||
| 9 | Danijel Djuric | Víkingur Reykjavik | 7 |
| Gísli Eyjólfsson | Breiðablik | ||
| Ulfur Björnsson | FH |