Josephus Maria Melchior "Jos" Hermens (born 8 January 1950 in Nijmegen, Gelderland) is a former Dutch long-distance runner.

Hermens is a three-time national champion in the men's 5,000 metres, and collected his first title on 14 July 1973 in The Hague.

He was a 10,000 metres finalist at the 1976 Summer Olympics and set the world record for the hour run the same year.

"[3] After his athletic career was cut short by injuries, Hermens worked for Nike, leaving it in 1985 to start his management company, Global Sports Communications.

Hermens' company manages in excess of 100 athletes; his current and former clients include Haile Gebrselassie, Eliud Kipchoge, Kenenisa Bekele, Gabriela Szabo, Nils Schumann,[2] and Hezekiél Sepeng.