Peter Sejna (born 5 October 1979 in Liptovský Mikuláš, Czechoslovakia now Slovakia) is a Slovak ice hockey center currently with the ZSC Lions of the Swiss Nationalliga A. Peter Sejna also won the bronze medal with the Slovak national ice hockey team in the 2003 Ice Hockey World Championship. Sejna attended Colorado College, and in 2003 won the coveted Hobey Baker Award, given annually to the most outstanding collegiate hockey player.