Leïlah Mahi (born September 1890 in Beyrouth, Lebanon, died 12 August 1932 in Paris) was a French writer.
Her first work, En Marge du Bonheur (On the Margins of Happiness), was published in 1929.
Her second book, La Prêtresse sans Dieu (The Priestess without God) appeared in 1931, the year before her death.
Both titles were published by Louis Querelle (26 Rue Cambon, Paris) as numbered, limited edition print runs.