| Competition: | Ykkönen |
| Season: | 2010 |
| Winners: | RoPS |
| Promoted: | RoPS |
| Relegated: | TPV Klubi-04 MP |
| Promotion To: | Veikkausliiga |
| League Topscorer: | Irakli Sirbiladze, KPV (16) |
| Matches: | 182 |
| Total Goals: | 472 |
| Prevseason: | 2009 |
| Nextseason: | 2011 |
The Ykkönen Finnish football club's 2010 season began on 18 April 2010 and ended on 16 October 2010.
The winner team will qualify directly for promotion to Veikkausliiga, the second has to play a play-off against the 13th from Veikkausliiga to decide who plays in Veikkausliiga 2011. The bottom 3 teams will qualify directly for relegation to Kakkonen.
| Club | Location | Stadium | Capacity | Manager | |
|---|---|---|---|---|---|
| FC Espoo | Espoo | Leppävaaran stadion | 5,000 |  Rami Luomanpää | |
| FC Hämeenlinna | Hämeenlinna | Kaurialan kenttä | 4,000 | Teuvo Palkki | |
| JIPPO | Joensuu | Joensuun keskuskenttä | 2,000 | Mark Dziadulewicz | |
| Klubi-04 | Helsinki | Finnair Stadium | 11,000 | Juho Rantala | |
| FC KooTeePee | Kotka | Arto Tolsa Areena | 4,780 | Janne Hyppönen | |
| KPV | Kokkola | Kokkolan keskuskenttä | 3,000 | Jarmo Korhonen | |
| MP | Mikkeli | Mikkelin Urheilupuisto | 7,000 | Janne Wilkman | |
| OPS-jp | Oulu | Castrén | 4,000 |  Luiz Antonio | |
| PK-35 | Vantaa | ISS Stadion | 4,500 | Pasi Pihamaa | |
| FC PoPa | Pori | Porin Stadion | 12,000 | Pertti Lundell | |
| PS Kemi | Kemi | Sauvosaari | 1,500 | Kalle Huusko | |
| RoPS | Rovaniemi | Rovaniemen keskuskenttä | 4,000 | John Allen | |
| TPV | Tampere | Tammela Stadion | 5,040 |  Mourad Seddiki | |
| FC Viikingit | Helsinki | Vuosaaren urheilukenttä | 4,200 | Toni Korkeakunnas |
The 13th placed team of 2010 Veikkausliiga and the runners-up of the 2010 Ykkönen will compete in a two-legged play-offs for one spot in the 2011 Veikkausliiga.[1] JJK won the playoffs by 3-1 and remained again in Veikkausliiga.
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Source: miestenykkonen.fi
Nchimunya Mweetwa (RoPS) Fidan Seferi (FC Espoo) Olli Lehtimäki (FC Hämeenlinna) Chileshe Chibwe (RoPS) Eero Peltonen (Viikingit) Denis Santos (PS Kemi)