Martin Vaniak (born 4 October 1970 in Ústí nad Labem) is a Czech former football goalkeeper. He played for the Czech national team between 2002 and 2004. He played at club level for several teams, including FK Drnovice, Panionios F.C. in Greece, SK Sigma Olomouc and SK Slavia Prague.In November 2010 he announced the end of his professional career. In January 2011 however, he changed his mind and stayed at Slavia. After the 2010/2011 season Vaniak however definitely finished his active career.