Antonius Marinus Hendricus Maria "Tonnie" Dirks (born 12 February 1961 in Zeeland, North Brabant) is a Dutch former long distance runner.
He ran in the Marathon at the 1991 World Championships in Tokyo, finishing in 16th place with a time of 2:22:17.
That year he also competed in the IAAF World Cross Country Championships, but he only managed to finish in 29th position.
[3] He was also a seven-time national cross country champion; only Kamiel Maase and pre-war competitor Jan Zeegers have more wins than Dirks.
[5] Further success came in road running competitions in the Netherlands: he won the Zevenheuvelenloop 15-kilometre race three times consecutively from 1989–1991, setting a course record which was beaten by Haile Gebrselassie after five years.