Kazimierz Mariusz Kleina (born 21 February 1958 in Sierakowice) is a Polish politician. He was elected to the Sejm on 25 September 2005, getting 7896 votes in the 26th Gdynia district as a candidate from the Civic Platform list.
He was also a member of the Senate 1997-2001 and has been a member since 2007.
Kazimierz Kleina was born in Sierakowice, Pomeranian Voivodeship, Kashubia. He graduated from the University of Gdaà Âsk with a degree in transport economics. Kleina worked as a teacher in à »ukowo. He speaks fluent Kashubian.