Stjepan Tomas (born March 6, 1976, Bugojno, Bosnia-Herzegovina) is a Croatian football player who currently plays for Galatasaray of Istanbul.
Tomas was part of the Croatian national team at the 2002 World Cup where he played in three games. He was also in the team for Euro 2004 but did not play any games in the tournament.
Formerly he played for Dinamo Zagreb, Vicenza, Como, Fenerbahçe.