Roger-Timothée Régnard de Pleinchesne was an 18th-century French playwright.
A former infantry captain and governor of the king's pages, Régnard of Pleinchesne wrote some dramas he presented from 1765 to 1810. He also founded, in 1781, a facility in the foire Saint-Laurent called the Redoute chinoise, which gathered in the same room various kinds of entertainment, for 30 sols, in order to attract a good company in his venue where there were games of all kinds, ring, roller, wheel fortune and swings. When this kind of distraction was exhausted, the public could indulge in the charms of a fun ride in a beautiful garden where real street singers performed the most recent songs. A café, a restaurant and a dance room amenities complemented the Redoute chinoise.