| Competition: | 3. deild karla |
| Season: | 2024 |
| Prevseason: | 2023 |
| Nextseason: | 2025 |
The 2024 3. deild karla (English: Men's Third Division) is the 70th season of fourth-tier Icelandic football. The season began on 3 May and is scheduled to finish on 14 September 2024.
Twelve teams contested the league. The title winners and runners-up are promoted to the 2025 2. deild karla, whilst the bottom two teams are relegated to the 2025 4. deild karla.
| Team | Location | Stadium | |
|---|---|---|---|
| Augnablik | Kópavogsvöllur | ||
| Ellíði | Reykjavík (Árbær) | Würth völlurinn | |
| Mosfellsbær | Varmárvöllur | ||
| KFK Kópavogur | Kópavogur | Fagrilundur Gervigras | |
| KV | Reykjavík | KV-Park við Frostaskjól | |
| Magni | Grenivík | Grenivíkurvöllur | |
| Sindri | Höfn | Sindravellir | |
| Vængir Júpiters | Grafarvogur | Fjölnisvöllur | |
| Nesfisk-völlurinn | |||
| Árbær | Reykjavík | Würth völlurinn | |
| ÍH | Hafnarfjörður | Skessan |
Each team played each other twice (22 matches each), once at home and once away.