Kari Valtonen (born April 26, 1954) is a Finnish chess problemist.
Valtonen is chess problemist who worked in several genres, including endgame study, helpmate and selfmate.
[1] He was one of Finland's chess problem magazine Tehtäväniekka authors.
In 1984 in Sarajevo Valtonen won the second individual World Chess Solving Championship.
In 2004 Valtonen was the chief judge of chess composition's international tournament in honor of his fifty-year anniversary.