Joshua Butler Wright (October 18, 1877 – December 4, 1939) was a United States diplomat who served as representative of the US in Hungary, Uruguay, Czechoslovakia, and Cuba. He was the twentieth and last Third Assistant Secretary of State. Wright was born in Irvington, in Westchester County, New York on 18 October 1877, the son of C. R. Wright. J. Butler Wright later married Maude A. Wolfe of Tuxedo Park, in June 1902. In 1925 Wright was serving as Assistant Secretary of State under president Calvin Coolidge and Secretary of State Charles Evans Hughes.