Jani Pekka Lyyski (born 16 March 1983), nicknamed "Tysken", is a Finnish former professional footballer.

Lyyski started his career in IFK Mariehamn he played for seven years, before moving on to Vaasan Palloseura in November 2008.

On 18 January 2010 Lyyski made his first appearance at Finland national team in friendly match against South Korea in Málaga, Spain.

[4] His father Pekka Lyyski is a former manager of IFK Mariehamn.

This biographical article related to association football in Finland, about a defender, is a stub.