| Competition: | Úrvalsdeild |
| Season: | 2005 |
| Dates: | 19 May – 21 September 2005 |
| Winners: | FH |
| Relegated: | Fram Þróttur |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | FH |
| Continentalcup2: | UEFA Cup |
| Continentalcup3: | Intertoto Cup |
| Continentalcup3 Qualifiers: | Keflavík |
| League Topscorer: | Tryggvi Guðmundsson (16) |
| Matches: | 90 |
| Total Goals: | 265 |
| Prevseason: | 2004 |
| Nextseason: | 2006 |
The 2005 season of Landsbankadeildin was the 94th season of league football in Iceland. FH defended their title. Fram and recently promoted Þróttur were relegated.
Each team played every opponent once home and away for a total of 18 matches.
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 |  Tryggvi Guðmundsson | FH | 16 |
| 2 | Allan Borgvardt | FH | 13 |
| 3 | Hörður Sveinsson | Keflavík | 9 |
| 4 | Garðar Gunnlaugsson | Valur | 8 |
| 5 | Guðmundur Steinarsson | Keflavík | 7 |
| Matthías Guðmundsson | Valur | ||
| 7 | Grétar Hjartarson | KR | 6 |
| Björgólfur Takefusa | Fylkir | ||
| Hjörtur J. Hjartarson | ÍA |