| Competition: | 1. deild karla |
| Season: | 2024 |
| Winners: | ÍBV |
| Dates: | 1 May 2024 – 27 September 2024 |
| Promoted: | Afturelding ÍBV |
| Matches: | 137 |
| Total Goals: | 441 |
| League Topscorer: | Oliver Heiðarsson (14 goals) |
| Biggest Home Win: | ÍBV 6-0 Keflavík (7 September 2024) |
| Biggest Away Win: | Dalvík/Reynir 1-7 Keflavík (24 August 2024) |
| Highest Scoring: | Dalvík/Reynir 1-7 Keflavík (24 August 2024) |
| Prevseason: | 2023 |
| Nextseason: | 2025 |
| Updated: | 27 September 2024 |
The 2024 1. deild karla (English: Men's First Division) was the 70th season of second-tier Icelandic football. The season began on 1 May 2024 and finished on 14 September 2024.
The league consisted of twelve teams; eight teams remaining from the previous season, two teams promoted from the 2. deild karla, and two teams relegated from the Besta deild karla.
The promoted teams were 2023 2. deild karla champions Dalvík/Reynir and runners-up ÍR (replacing the 2023 1. deild karla relegated teams Ægir and Selfoss). The relegated teams were 2023 Besta deild karla bottom two teams ÍBV and Keflavík (replacing the 2023 1. deild karla promoted teams ÍA and Vestri).
Each team plays each other twice (22 matches each), once at home and once away.
Teams placed 2nd-5th qualified for the 1. deild karla play-offs, with the winners earning promotion to the 2025 Besta deild karla.