Manuel Barrenechea

Manuel J. Barrenechea Naranjo (23 September 1857 – 19 November 1929) was a Chilean politician and physician who served as a member of the Chamber of Deputies of Chile.

A member of the Radical Party, he represented Taltal and Tocopilla from 1915 to 1921. During his second term, from 1918 to 1921, he was a member of the Public Assistance and Worship Commission.

A physician by profession, he graduated from the University of Chile in 1881 and later studied ophthalmology and otorhinolaryngology in the United States and Europe. He also promoted public health initiatives, including vaccination and the creation of a Ministry of Public Health.