| Competition: | Ykkönen |
| Season: | 2011 |
| Winners: | FC Lahti |
| Promoted: | FC Lahti |
| Relegated: | PS Kemi FC PoPa KPV FC Espoo |
| Prevseason: | 2010 |
| Nextseason: | 2012 |
The Ykkönen 2011 season began on 28 April 2011 and ended on 22 October 2011.
The winner team will qualify directly for promotion to Veikkausliiga 2012. The bottom 4 teams will qualify directly for relegation to Kakkonen.
A total of thirteen teams will contest in the league, including ten sides from the 2010 season, FC Lahti who was relegated from Veikkausliiga, AC Oulu who was refused a license for Veikkausliiga and HIFK who promoted from Kakkonen after winning the promotion play-offs.
| Club | Location | Stadium | Capacity | Manager | |
|---|---|---|---|---|---|
| FC Espoo | Espoo | Leppävaaran stadion | 5,000 |  Jussi Nuorela | |
| FC Hämeenlinna | Hämeenlinna | Kaurialan kenttä | 8,000 | Jussi Lempinen | |
| HIFK | Helsinki | Brahen kenttä | 2,000 | Jani Honkavaara | |
| JIPPO | Joensuu | Joensuun keskuskenttä | 2,000 | Jarmo Korhonen | |
| FC KooTeePee | Kotka | Arto Tolsa Areena | 4,780 | Janne Hyppönen | |
| KPV | Kokkola | Kokkolan keskuskenttä | 3,000 | Henri Myntti | |
| FC Lahti | Lahti | Lahden kisapuisto[1] | 4,000 | Tommi Kautonen | |
| OPS | Oulu | Raatin Stadion | 6,996 |  Luiz Antonio | |
| AC Oulu | Oulu | Raatin Stadion[2] | 6,996 | Juha Malinen | |
| PK-35 Vantaa | Vantaa | ISS Stadion | 4,500 | Pasi Pihamaa | |
| FC PoPa | Pori | Porin Stadion | 12,000 | Tero Suonperä | |
| PS Kemi | Kemi | Sauvosaari | 1,500 | Juhani Himanka | |
| FC Viikingit | Helsinki | Vuosaaren urheilukenttä | 4,200 | Ilkka Jäntti |
| Team | Outgoing manager | Manner of departure | Date of vacancy | Table | Incoming manager | Date of appointment | Table | |
|---|---|---|---|---|---|---|---|---|
| KPV | Keijo Hautamäki | Resigned | 18 June 2011[3] | 10th | Henri Myntti | 4 July 2011[4] | 12th | |
| FC PoPa | Mika Halmetniemi | Sacked | 4 July 2011[5] | 13th | Tero Suonperä | 8 July 2011[6] | 13th | |
| PS Kemi | Kalle Huusko | Sacked | 9 August 2011 | 12th | Juhani Himanka | 9 August 2011 | 12th |
Updated to games played on 22 October 2011.
Source: soccerway.com
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 | Ville Salmikivi | FC Viikingit | 20 |
| 2 |  Randy Edwini-Bonsu | AC Oulu | 16 |
| 3 | Jukka Santala | FC KooTeePee | 13 |
| 4 | Dritan Stafsula | AC Oulu | 12 |
| 5 | Luizao | OPS | 10 |
| Aleksi Ristola | PK-35 Vantaa | 10 | |
| Joni Korhonen | FC Viikingit | 10 | |
| 6 | Luis Vanderlei | OPS | 9 |
| Drilon Shala | FC Lahti | 9 | |