1966 Finnish Cup

The 1966 Finnish Cup was won by Reipas Lahti, who defeated Tappara in the final to claim the title.

1/16 finals

• Tarmo Pitajänmäki - Karhu-Kissat Helsinki 4-7
• TP-47 Tornio - RPS Rovaniemi 5-11
• Vesa Raahe - Kärpät Oulu 7-3
• LaVi Lapua - MäntU Mänttä 1-6
• PiPS Pieksämäki - MP Mikkeli 4-7
• KalPa Kuopio - JoKP Joensuu 2-4
• RPL Riihimäki - Tarmo Hämeenlinna 3-5
• Akilles Porvoo - Reipas Lahti 3-5
• Ilves Jämsänkoski - Tappara Tampere 2-14
• JyP Jyväskylä - Ilves Tampere 4-9
• HP-47 Heinola - HPK Hämeenlinna 6-1
• NoU Nokia - Koo-Vee Tampere 0-3
• ÅIFK Turku - RU-38 Pori 2-4
• KooKoo Kouvola - Upon Pallo Lahti 6-8
• Säppi Rauma - Karhut Pori 6-5
• KTP Kotka - SaiPa Lappeenranta 2-7

1/8 finals

• RPS Rovaniemi - Vesa Raahe 4-2
• MäntU Mänttä - Koo-Vee Tampere 3-9
• HP-47 Heinola - Tarmo Hämeenlinna 0-2
• JoKP Joensuu - MP Mikkeli (1-0 Forfeit win for Joensuu)
• Karhu-Kissat Helsinki - Reipas Lahti 3-5
• Säppi Rauma - RU-38 Pori 8-7
• Tappara Tampere - Ilves Tampere 7-4
• Upon Pallo Lahti - SaiPa Lappeenranta 6-5

Quarterfinals

• RPS Rovaniemi - Tarmo Hämeenlinna (1-0 Forfeit win for Rovaniemi)
• Säppi Rauma - Tappara Tampere 1-6
• Koo-Vee Tampere - JoKP Joensuu 7-1
• Reipas Lahti - Upon Pallo Lahti (1-0 Forfeit win for Reipas)

Semifinals

• Tappara Tampere - RPS Rovaniemi (1-0 Forfeit win for Tappara)
• Koo-Vee Tampere - Reipas Lahti 1-4

Final

• Reipas Lahti - Tappara Tampere 8-6 (2OT)