Ján BrejÃÂák (born 29 June 1989) is a Slovak professional ice hockey defenceman who currently playing for HK Poprad of the Slovak Extraliga.
BrejÃÂák came through the youth ranks of HK Poprad. He made his men's team debut during the 2006-07 season. In 2011, he joined the Czech team HC Litvinov, where he spent two years. From 2013 to 2015, BrejÃÂák turned out for HC Slovan Bratislava of the Kontinental Hockey League.
After a tryout with HC Davos of the Swiss top-flight National League A (NLA), BrejÃÂák was signed by HCD in August 2015.
BrejÃÂák made his debut on Slovakia's men's national team in 2011 and represented his country at the 2014 World Championships in Belarus.