Jan Walenty Tomaka (born January 15, 1949 in Nowa Wies) is a Polish politician.
He was elected to the Sejm on September 25, 2005 getting 7915 votes in 23 Rzeszów district, candidating from the Civic Platform list.
He was also a member of Sejm 2001-2005.
He graduated from the university of Krakow in 1971 with a MSc in geology.