Alfons ("Fons") Brydenbach (12 October 1954 – 8 May 2009) was a Belgian sprinter who specialized in the 400 metres.
[3] In 1974 Brydenbach won the gold medal at the European Indoor Championships, ahead of Andreas Scheibe and Günter Arnold.
[1] It was a Belgian record, and stood until 2003 when Cédric Van Branteghem broke it.
[7] He came close to improving the result at the 1980 Summer Olympics, where he finished fifth in the final with 45.10 seconds.
[5] Brydenbach held a master's degree in physical education from the Katholieke Universiteit Leuven, and worked as a teacher.