Adam Jánošík (born September 7, 1992, in Spisska Nova Ves, Slovakia) is a Slovak defenceman playing for the Gatineau Olympiques of the Quebec Major Junior Hockey League.
He has played for the Olympiques since 2009. Prior to that he played in the HC Bílí Tygři Liberec youth system. He played for Slovakia at the 2011 and 2012 World Junior Ice Hockey Championships.
The Tampa Bay Lightning chose him 72nd overall in the 2010 NHL Entry Draft.