Esther Tusquets (30 August 1936 – 23 July 2012) was a Spanish publisher, novelist and essayist.

She spent several years teaching literature and history at the Carillo Academy.

Tusquets published her first novel El mismo mar de todos los veranos (The Same Sea as Every Summer) in 1978.

It was the first in a trilogy and was followed by El amor es un juego solitario (Love is a Solitary Game) in 1979 and Varada tras el último naufragio (Stranded) in 1980.

Her focus in these novels was language and the lesbian body as battlefields.