161 art lovers left their clothes in the cloakroom for the one-off event, before the gallery was opened to clothed guests later in the day.
Palais de Tokyo, a contemporary art museum in the shadow of the Eiffel Tower, offered a guided tour before opening to the general public on Saturday.
"The mentality is changing these days", Julien Claude-Penegry, the director of communications for the Paris Nudist Association, told Reuters news agency.
European shares buoyed by Nestle, updates; turmoil hammers Air France
Air France-KLM is in danger of "disappearing" amid a series of continuing strikes, said France's economy minister on Monday. He warned that the state, which owns 14.3 percent of the group, would not serve as a backstop.
Last summer a park in Paris trialed the first dedicated nudist zone, and the space recently reopened ahead of the summer months. "Naturists ... are pushing past barriers, taboos or mentalities that were obstructive".
According to PNA there are 88,000 naturists in Paris alone and 2.6million members in France.
The BBC said the city of Paris a year ago designated a space for nudists in the Bois de Vincennes, or the Vincennes Woods.
In 2015, the Australian National Gallery of Art in Canberra opened its doors to 50-person nude tours in conjunction with the temporary exhibition "James Turrell: a retrospective".