The 2008–09 Slovak Extraliga season was the 16th season of the Slovak Extraliga, the top level of ice hockey in Slovakia. 13 teams participated in the league, and HC Kosice won the championship.
Standings
First round
Group round
Championship round
Qualification
Playoffs
Quarterfinals
HC Košice – HC 05 Banská Bystrica 4–1 (4–2, 5–3, 3–6, 2–1 SN, 4–0) HC Slovan Bratislava – MHC Martin 4–1 (3–0, 4–0, 4–1, 2–4, 10–3) HK 36 Skalica – Dukla Trenčín 4–0 (2–0, 3–1, 3–1, 3–2) HKm Zvolen – MHk 32 Liptovský Mikuláš 4–2 (1–2, 5–2, 1–2, 3–2 SN, 6–1, 2–0)
Semifinals
HC Košice – HKm Zvolen 4–3 (2–1 P, 1–3, 1–4, 5–0, 3–1, 3–4, 8–2)
HC Slovan Bratislava – HK 36 Skalica 3–4 (6–8, 4–1, 3–6, 6–3, 4–2, 1–3, 2–3 P)
Final
HC Košice – HK 36 Skalica 4–2 (4–2, 3–1, 5–2, 2–8, 3–4 SN, 3–2 SN)
Play-outs
Relegation
HK Spišská Nová Ves – MHK SkiPark Kežmarok 4:1 (3:2, 1:0, 4:2, 2:5, 3:1) HK Aquacity ŠKP Poprad – ŠHK 37 Piešťany 4:0 (9:2, 6:2, 4:3, 2:1 OT)