Tomas Seyler (born 16 July 1974) is a German darts player. He plays in Professional Darts Corporation events. His nickname is Shorty.
He reached the second round of the Winmau World Masters in 2003, beating Vincent van der Voort in the first round, but lost to Raymond van Barneveld. He also reached the Quarter-Finals of the World Darts Trophy in 2004, beating Bob Taylor and Tony West before losing to Martin Adams. He won the German Gold Cup in 2005.
Seyler made his PDC debut at the 2006 PDC World Darts Championship, he beat crowd favourite Jamie Harvey of Scotland in the first round but lost to the Netherlands' Roland Scholten in round two. He returned to Purfleet for the 2007 PDC World Darts Championship but the German number one lost in the first round to World number one Colin Lloyd.
He also frequently appears on German TV channel Sport 1 and streaming service DAZN as co-commentator on PDC darts tournaments.