Thalasso is a 2019 French comedy film directed by Guillaume Nicloux, starring the writer Michel Houellebecq and the actor Gérard Depardieu as versions of themselves. It places Houellebecq at a health spa where he goes through a series of treatments while Depardieu keeps him company. The film has been described as a sequel to Nicloux's The Kidnapping of Michel Houellebecq (2014).