Jakub Trefný
Jakub Trefný (born March 12, 1981) is a Czech professional ice hockey defenceman. He played with HC Karlovy Vary in the Czech Extraliga during the 2010–11 Czech Extraliga season. References

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1981 births
Czech ice hockey defencemen
HC Karlovy Vary players
Living people
People from Louny
Ice hockey people from the Ústí nad Labem Region
Piráti Chomutov players
Sportovní Klub Kadaň players