Balthasar de Monconys (1611-1665) was a French traveller, diplomat, physicist and magistrate, who left a diary, which was published by his son as Journal des voyages de Monsieur de Monconys, Conseiller du Roy en ses Conseils d'Estat & Privé, & Lieutenant Criminel au Siège Presidial de Lyon, 2 vols., Lyon, 1665-1666.

Monconys was brought up in Lyon by the Jesuits