Arturo Somohano Portela (September 1, 1910 – March 23, 1977) was a musical composer and director of the San Juan Symphony Orchestra, which is now named after him.

Somohano, born in San Juan, Puerto Rico, had always been musically inclined and as a young child had learned to play the piano.

[1] Upon the outbreak of World War II, Somohano entertained U.S. Army troops by playing the piano and directing concerts at various military bases.

He was granted the Order of Isabella the Catholic by the Spanish Parliament and was named Honorary Conductor of the Madrid Symphony Orchestra.

[1] Somohano published the works of danza composers Manuel Gregorio Tavárez and Juan Morel Campos.