Jani Lehtonen (11 August 1968 in Mäntsälä – 22 December 2008 in Tampere) was a Finnish pole vaulter.
He finished eleventh at the 1990 European Championships, eighth at the 1992 European Indoor Championships and fifth at the 1993 World Indoor Championships,His personal best vault was 5.82 metres, achieved in June 1993 in Kuortane.