| Competition: | Ykkönen |
| Season: | 2013 |
| Winners: | SJK |
| Promoted: | SJK |
| Relegated: | OPS Kajaani |
| League Topscorer: | Jussi Aalto (13 goals) |
| Matches: | 130 |
| Total Goals: | 349 |
| Biggest Home Win: | PK-35 Vantaa 7–1 OPS (31 August) |
| Biggest Away Win: | AC Kajaani 1–7 SJK (30 June) |
| Highest Scoring: | AC Kajaani 1–7 SJK (30 June) FC Viikingit 5–3 AC Kajaani (20 July) PK-35 Vantaa 7–1 OPS (31 August) |
| Prevseason: | 2012 |
| Nextseason: | 2014 |
The 2013 Ykkönen season began on 29 April 2013 and ended on 5 October 2013. The winning team was directly promoted to the 2014 Veikkausliiga. The bottom two teams were relegated to Kakkonen.[1]
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 | |
| Team | Outgoing manager | Manner of departure | Date of vacancy | Incoming manager | Date of appointment | Table |
|---|---|---|---|---|---|---|
| AC Oulu | Juha Malinen | End of contract | n/a[2] | Rauno Ojanen | 3 October 2012[3] | Pre-season |
| FC KooTeePee | Janne Hyppönen | End of contract | n/a[4] | Sami Ristilä | 6 November 2012[5] | Pre-season |
| Haka | Juha Malinen | End of loan | n/a | Harri Kampman | 12 November 2012[6] | Pre-season |
| Haka | Harri Kampman | Sacked | 23 June 2013 | Asko Jussila (as caretaker) | 23 June 2013[7] | 2nd |
| Haka | Asko Jussila | End of tenure as caretaker | 7 July 2013 | Juho Rantala | 8 July 2013[8] | 2nd |
| PK-35 Vantaa | Pasi Pihamaa | Sacked | 15 July 2013 | Ilir Zeneli (as caretaker) | 15 July 2013[9] | 7th |
Updated to games played on 29 September 2013.
Source: palloverkko.palloliitto.fi
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 | Jussi Aalto | Haka | 13 |
| 2 | Kalle Multanen | Ilves | 12 |
| Fidan Seferi | PK-35 Vantaa | 12 | |
| 4 | Jonne Hjelm | Ilves | 11 |
| 5 | Toni Lehtinen | SJK | 10 |
| Month | Player of the Month | |
|---|---|---|
| May[10] |  Gert Kams (SJK) | |
| June[11] | Kalle Multanen (Ilves) | |
| July[12] | Venance Zézé (Haka) | |
| August[13] | Daniel Caumo (SJK) | |
| September[14] | Akseli Pelvas (SJK) |