Boyd Winchester (September 23, 1836 – May 18, 1923) was a United States representative from Kentucky. He was born in Ascension Parish, Louisiana. He pursued preparatory studies and then attended Centre College in Danville, Kentucky and the University of Virginia at Charlottesville, Virginia. He graduated from the law department of the University of Louisville, Kentucky, in 1857 and commenced practice in Louisville, Kentucky.

Boyd Winchester
8th United States Ambassador to Switzerland and Liechtenstein
In office July 9, 1885 – May 24, 1889
President	Grover Cleveland
Preceded by	Michael J. Cramer
Succeeded by	John D. Washburn
Member of the U.S. House of Representatives from Kentucky's 5th district
In office March 4, 1869 – March 3, 1873
Preceded by	Asa Grover
Succeeded by	Elisha Standiford
Member of the Kentucky Senate
In office 1867-1868
Personal details
Born	(1836-09-23)September 23, 1836 Ascension Parish, Louisiana, U.S.
Died	May 18, 1923(1923-05-18) (aged 86) Louisville, Kentucky, U.S.
Resting place	Cave Hill Cemetery Louisville, Kentucky, U.S.
Political party	Democratic
Alma mater	Centre College University of Virginia University of Louisville
Profession	Lawyer

Winchester was a member of the Kentucky Senate in 1867 and 1868 when he resigned. He was elected as a Democrat to the Forty-first and Forty-second Congresses (March 4, 1869 – March 3, 1873) but was not a candidate for renomination in 1872. After leaving Congress, he resumed the practice of law in Louisville, Kentucky and was the president of an insurance company 1875–1877. Winchester was president of the Democratic State convention in 1884. He was also appointed Minister Resident and consul general to Switzerland and served from 1885 to 1889. Building on the experience and observations made during his tenure, he wrote the book "The Swiss Republic", the publication of which coincided with the 600th anniversary of the foundation of the Swiss Confederation.

Winchester died in Louisville, Kentucky was buried in Cave Hill Cemetery.