Ketti Gallian (25 December 1912 – October 1972) was a French actress.
Gallian was born in Nice.
She went to Paris at the age of 15 and secured work as a model. She later went back to Nice and appeared in a number of foreign films made by Paramount.
Her performance in The Ace, in which she played opposite Raymond Massey on the London stage, resulted in a screen contract from Fox. However, she never became a success while acting in America and returned to France.
Gallian had an affair with Bugsy Siegel.
Gallian married Pierre Billon. She died, aged 59, in Paris.