Robert Sour (1905 – 1985) was a lyricist and composer, and the president of Broadcast Music Incorporated (BMI). He was also one of the jurors in the murder trial of Eddie Lee Mays, who became the last man executed in New York. In 1940 Sour worked for Broadcast Music as its lyrics editor, and by 1966 had risen through company ranks to become BMI's president. Two years later he had become the company's vice chairman and was instrumental in establishing BMI's musical theater workshop He retired in 1970.