Harry Dwight Sisson
Member of the Massachusetts House of Representatives 38th Berkshire District[1]
In office 1929–1938
8th Mayor of Pittsfield, Massachusetts
In office 1903–1904
Preceded by	Allen H. Bagg
Succeeded by	Kelton B. Miller
Tax Assessor for the City of Pittsfield, Massachusetts
In office 1896–1900
Tax Collector for the City of Pittsfield, Massachusetts
In office 1892–1894
Personal details
Born	(1863-01-09)January 9, 1863
Died	November 4, 1938(1938-11-04) (aged 75)
Resting place	Pittsfield Cemetery
Political party	Republican[1]
Spouse	Elizabeth C. Wells ​ (m. 1886)​
Alma mater	New Marlborough Academy
Profession	Editor of the Connecticut Western News of Canaan, Connecticut; Employed Kellogg Shoe Company (in 1882) Agent of the Berkshire Life Insurance Co. Proprietor of the Sisson/Robinson Company (manufacturing paper boxes). From 1904 founder and proprietor of the Sisson Buick Co.

Harry Dwight Sisson (January 9, 1863 – November 4, 1938) was an American businessman and politician who served as the eighth mayor of Pittsfield, Massachusetts from 1903 to 1904.

Sisson was a member of the Sons of Veterans. In 1919, he was elected to a one year term as national commander-in-chief of the organization.

Sisson's parents were Henry Dwight Sisson (1836–1914) and Emilie Persis Spaulding (1836–1923). Sisson married Elizabeth C. Wells (1860–1955) on February 17, 1886. He is buried in the Pittsfield Cemetery in Pittsfield, Massachusetts.

• Massachusetts legislature: 1929–1930, 1931–1932, 1933–1934, 1935–1936, 1937–1938