2013 Ykkönen
The season began on 29 April 2013 and is scheduled to end on 5 October 2013. The winner team will qualify directly for promotion to Veikkausliiga 2014. The bottom 2 teams will qualify directly for relegation to Kakkonen.Overview
A total of ten teams will contest in the league, including seven sides from the 2012 season, Haka who was relegated from Veikkausliiga and AC Kajaani and Ilves who promoted from Kakkonen after winning the promotion play-offs.
FC Hämeenlinna and HIFK were relegated from 2012 Ykkönen. RoPS was promoted to the 2013 Veikkausliiga.
| Club | Location | Stadium | Capacity | Manager |
| AC Kajaani | Kajaani | Kajaanin liikuntapuisto | 1,000 |  |
| AC Oulu | Oulu | Raatin Stadion | 6,996 | |
| FC KooTeePee | Kotka | Arto Tolsa Areena | 4,780 | |
| FC Viikingit | Helsinki | Vuosaaren urheilukenttä | 4,200 | |
| Haka | Valkeakoski | Tehtaan kenttä | 3,516 | |
| Ilves | Tampere | Tammela Stadion | 5,040 | |
| JIPPO | Joensuu | Joensuun keskuskenttä | 3,000 | |
| OPS | Oulu | Raatin Stadion | 6,996 |  Luiz Antônio |
| PK-35 Vantaa | Vantaa | ISS Stadion | 4,500 | |
| SJK | Seinäjoki | Seinäjoen keskuskenttä | 3,500 | |
Managerial changes
Results
Matches 1–18
Matches 19–27
Statistics
Updated to games played on 29 September 2013.Source:
| Rank | Player | Club | Goals |
| 1 |  Jussi Aalto | Haka | 13 |
| 2 | Kalle Multanen | Ilves | 12 |
| 2 | Fidan Seferi | PK-35 Vantaa | 12 |
| 4 | Jonne Hjelm | Ilves | 11 |
| 5 | Toni Lehtinen | SJK | 10 |
