Gamiani, or Two Nights of Excess (French: Gamiani, ou deux nuits d'excès) is a French erotic novel first published in 1833.

Its authorship is anonymous, but it is believed to have been written by Alfred de Musset, and it was rumoured that the lesbian eponymous heroine was a portrait of his lover, George Sand.

The novel was illustrated with unsigned lithographs whose authorship remains unknown.

They have been attributed to Achille Devéria and Octave Tassaert, among others.This article about an 1830s novel is a stub.

Further suggestions might be found on the article's talk page.This article about a novel with a lesbian, gay, bisexual, transgender, or queer theme is a stub.