Lidia Gueiler Tejada, the first female President of Bolivia (d. 2011)
Lidia Gueiler Tejada (28 August 1921 – 9 May 2011) was a Bolivian politician who served as the 56th President of Bolivia on an interim basis from 1979 to 1980. She was Bolivia's first female Head of State, and the second republican Head of State in the history of the Americas (the first was Isabel Perón in Argentina between 1974 and 1976).

She was the cousin of American actress Raquel Welch.