Leonor Teles (or Teles de Meneses) (1350 – April 27, 1386) is a queen consort of Portugal and regent during the years 1383–1385.

She is the wife of a Portuguese nobleman from whom she is forcibly divorced by King Ferdinand I, who afterward marries her.

She is called the Treacherous (Portuguese: a Aleivosa) by the Portuguese, who execrate her on account of her adultery and treason to her native country.