Lessa may refer to:
Lessa (area), a unit of measurement formerly used in the state of Manipur in India Lessa (Argolis), a town of ancient Argolis, Greece Lessa (Dragonrider), a fictional character in Anne McCaffrey's Dragonriders of Pern series Lessa (surname)
See also Lessa Habayeb, a 2006 album by Moustafa Amar Salvadoran Sign Language, known by the acronym LESSA