| Competition: | 3. deild karla |
| Season: | 2017 |
| Winners: | Kári |
| Promoted: | Kári Þróttur V. |
| Relegated: | Reynir S. Berserkir |
| Matches: | 90 |
| Total Goals: | 322 |
| League Topscorer: | Alexander Már Þorláksson (17 goals) |
| Biggest Home Win: | (26 August 2017) |
| Biggest Away Win: | (20 May 2017) |
| Highest Scoring: | (26 August 2017) |
| Prevseason: | 2016 |
| Nextseason: | 2018 |
| Updated: | 16 September 2017 |
The 2017 3. deild karla (English: Men's Third Division) was the 5th season of fourth-tier Icelandic football in its ten team league format. The league began on 12 May and concluded on 16 September.[1]
The league was contested by ten clubs. Eight remained in the division from the 2016 season, while four new clubs joined the 3. deild karla:
| Team | Location | Stadium | 2016 season | |
|---|---|---|---|---|
| Berserkir | Reykjavík | Víkin | 4. deild karla, 1st | |
| Dalvíkurvöllur | 8th | |||
| Einherji | Vopnafjörður | Vopnafjarðarvöllur | 3rd | |
| Kári | Akranes | Akranesvöllur | 4th | |
| Ólafsfjarðarvöllur | 2. deild karla, 12th | |||
| KFG | Garðabær | Samsung völlurinn | 4. deild karla, 2nd | |
| Reynir S. | Sandgerði | Sandgerðisvöllur | 6th | |
| Vængir Júpiters | Egilshöll | 7th | ||
| Þróttur V. | Vogar | Vogavöllur | 5th | |
| Ægir | Þorlákshöfn | Þorlákshafnarvöllur | 2. deild karla, 11th |
Each team plays every opponent once home and away for a total of 18 matches per club, and 90 matches altogether.
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 |  Alexander Már Þorláksson | Kári | 17 |
| 2 | Jonathan Hood | Ægir | 13 |
| 3 | Aron Grétar Jafetsson | KFG | 11 |
| Todor Hristov | Einherji | ||
| Jóhann Ólafur Jóhannsson | KFG | ||
| 6 | Andri Björn Sigurðsson | Þróttur V. | 9 |
| 7 | Guðmundur Garðar Sigfússon | Ægir | 8 |
| 8 | Tomislav Mišura | Reynir S. | 7 |
| Alexander Bjarki Rúnarsson | Vængir Júpiters | ||
| 10 | Andri Júlíusson | Kári | 6 |
| Karel Sigurðsson | Berserkir | ||
| Ljubomir Delic | KF | ||
| Fannar Daði Malmquist Gíslason | Dalvík/Reynir | ||
| Tryggvi Magnússon | Vængir Júpiters |