Pierre Délèze (born August 25, 1958 in Nendaz, Valais) is a former Swiss middle distance runner who set a national record of 3:31.75 min when he won the 1500 m race at the meeting in Zurich in 1985, defeating the reigning Olympic champion Sebastian Coe.
He also set a national record over the Mile in 3:50.38 min in Koblenz in 1982.
Délèze participated in the 1500 m final at the 1983 World Championships in Athletics in Helsinki in which he fninshed sixth.
In the 1987 World Championships in Athletics in Rome he finished fourth over 5000 m; the gold was won by Saïd Aouita.
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