Tomáš Marcinko (born 11 April 1988) is a Slovak professional ice hockey forward who plays as a center for HC Ocelári Trinec of the Czech Extraliga (ELH).
He was selected by the New York Islanders in the 4th round (115th overall) of the 2006 NHL Entry Draft, but he never played for the team.
On June 26, 2011, the New York Islanders re-signed Marcinko to a one-year, two-way contract.