Estelle Pinckney Clough (1866 – June 8, 1929) was an American opera singer and concert performer, based in Worcester, Massachusetts.

"[9] In 1906, she was soloist at the first concert of the Coleridge-Taylor Singing Union in New Haven,[10] and sang at a fundraiser for the Colored Men's Branch of the YMCA.

[11] In 1908, Clough sang at a memorial service for inventor Joseph Lee, with her daughter as her accompanist.

[14] In 1918, she sang at a benefit concert to raise funds for "necessary comforts for the colored soldiers" serving in World War I.

[15] Clough was also a soloist at church concerts,[16][17] and taught voice students from her own studio in Worcester.