Jani Hartikainen (born 16 September 1975) is a Finnish professional football player
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Hartikainen is a Finnish language family name related to the name Hartwig.
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Erkki Hartikainen (b. June 24, 1942), chairman of Atheist association of Finland
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Teemu Hartikainen (born May 3, 1990) is a Finnish professional ice hockey player