Vandersloot Music Publishing Company was an American publisher of marches, waltzes, rags, religious music, and popular music of the Tin Pan Alley genre. The firm was founded in 1899 by Frederick William Vandersloot, Jr. (1866–1931) and his brother, Caird Melvill Vandersloot. F. W. Vandersloot was a gospel singer, composer, and choir director. In 1913, the firm was based at 233 West 3rd Street, Williamsport, Pennsylvania with an office in New York at 41 W 18th Street, an area ten blocks directly south of what then became known as Tin Pan Alley.