Arnold Buffum Chace (November 10, 1845 – February 28, 1932) was an American textile businessman, mathematics scholar, and eleventh chancellor of Brown University in Providence, Rhode Island.

[2] His paternal grandfather Oliver Chace was founder of the Valley Falls textile company, which later became Berkshire Hathaway.

[3] His maternal grandfather, Arnold Buffum, was president of the New England Anti-Slavery Society.

[2] Chace taught physics and mathematics for one term at Brown (1868–69),[3] before having to interrupt his career to handle the family textile business.

[3] Chace died in Providence, Rhode Island, on February 28, 1932[3] and is buried at Swan Point Cemetery.