3. deild karla
| Founded | 1997 1982 (as 4. deild karla)  | 
|---|---|
| Country | Iceland | 
| Confederation | UEFA | 
| Number of clubs | 12 | 
| Level on pyramid | 4 | 
| Promotion to | 2. deild karla | 
| Relegation to | 4. deild karla | 
| Domestic cup(s) | Bikarkeppni karla League Cup  | 
| Current champions | Dalvík/Reynir (1 title) | 
| Current: 2025 3. deild karla | |
3. deild karla (e. Men's Third division) is a football league in Iceland. It is the fourth level in the Icelandic football league system. The league was reformed into a 10-team double round-robin tournament for the 2013 season, with the introduction of the newly established 5th level of the Icelandic football league system, 4. deild karla.