Eduardo Arolas (February 24, 1892 – September 29, 1924) was an Argentine tango bandoneon player, leader and composer.

In 1917 Arolas moved to Montevideo where he settled, he played a number of times at the Teatro Casino.

Arolas is regarded as one of the early masters that helped to define the future of tango music in Argentina.

He was avant-garde in his composition and often utilised unconventional instruments such as the saxophone violoncello and the banjo.

His most famous works include Lágrimas, La cachila, El Marne and Viborita.