José Luis Tamayo Terán (29 July 1858 – 7 July 1947) was President of Ecuador from 1 September 1920 to 31 August 1924.

He was a member of the Ecuadorian Radical Liberal Party.

He was the last Ecuadoran President to complete a full term in office until Galo Plaza Lasso did so nearly a quarter-century later.

[1] Among Tamayo's actions in office was to promulgate Ecuador's first regulations regarding the oil industry, although the law had little practical effect.

[2] He was also active in establishing vice taxes in order to fund programs to arrest the spread of venereal disease among the prostitutes of Quito.