The 1983 Critérium du Dauphiné Libéré was the 35th edition of the cycle race and was held from 30 May to 6 June 1983. The race started in Sallanches and finished in Pierrelatte. The race was won by Greg LeMond of the Renault-Elf team. Pascal Simon, the initial winner, tested positive for Micorene and was given a time penalty, which resulted in his demotion to fourth place.