Tomáš Rachůnek (born February 26, 1991) is a Czech professional ice hockey forward playing for HC Sparta Praha of the Czech Extraliga. He played with HC Plzeň 1929 in the Czech Extraliga during the 2010–11 Czech Extraliga season. From 2008 to 2010, he played for Sault Ste. Marie Greyhounds in the Ontario Hockey League. He is the younger brother of Ivan Rachůnek and Karel Rachůnek who have also played professional ice hockey.