Samuel Ramón Quiñones Quiñones (October 29, 1903 – March 11, 1976), commonly known as Samuel R. Quiñones, was a prominent attorney in Puerto Rico who served as Speaker of the House of Representatives of Puerto Rico from 1941 to 1943 and for twenty years in the Senate of Puerto Rico as its fifth President, from 1949 to 1968, by far the longest serving Senate President.

[1] He had also served as Speaker of the House of Representatives of Puerto Rico in the early 1940s.

A prolific poet and writer, he founded the literary magazine called Índice.

Quiñones died in San Juan, Puerto Rico by his mouth cancer on March 11, 1976, at the age of 71.

Was buried at Santa María Magdalena de Pazzis Cemetery in San Juan, Puerto Rico.