Dr. José Narciso Gándara Cartagena (1907–1954) was a Puerto Rican physician and public servant. He led medical personnel in the treatment of the hundreds of wounded of the Ponce massacre that occurred on Palm Sunday, 1937, in Ponce, Puerto Rico, at the hands of the Insular Police, under orders of the American colonial governor Blanton Winship. He also provided expert witness testimony regarding the Puerto Rican Nationalists victims being shot on their backs while they ran away from the police, and that many were wounded by the police using their clubs and bare fists.
José N. Gándara Cartagena was born in Ponce, Puerto Rico, on 26 August 1907. He was the son of Manuel Gándara and Mercedes Cartagena Gandara graduated from Ponce High School in 1925. After this, he went to college graduating from the Long Island College of Medicine in 1933 and did his intership in the Ponce Presbyterian Hospital the next year.