Frantz Kruger (born 22 May 1975 in Kempton Park, South Africa) is a South African born Finnish discus thrower who won the Olympic bronze medal in 2000. He is also a double African champion. His personal best throw of 70.32 metres, achieved in May 2002 in Salon-de-Provence, is the current African record. He was married to Finnish former triple jumper Heli Koivula Kruger (divorced 2016), and received Finnish citizenship in 2007. Kruger has been available to represent Finland by a special permit from the government of IAAF since 20 August 2007. In international discus competition at Helsingborg, he set a new Finnish discus record, 69.97 metres.

Competition record