Charles Porter Mattocks (October 11, 1840 – May 16, 1910) was a colonel in the Union Army. He was given the Medal of Honor for his actions in the American Civil War. He was born in Danville, Vermont and served in the 17th Maine Infantry during the American Civil War. After being captured by the Confederate States Army he was a prisoner of war for nine months in Danville, Virginia. Later, he commanded the Maine State Militia and fought as a Brigadier General during the Spanish–American War. He was elected to the Maine House of Representatives in 1880, was a county attorney for Cumberland County, Maine, and argued a case in the Supreme Court.
|Charles P. Mattocks|
|Born||October 11, 1840|
|Died||May 16, 1910 (aged 69)|
|Place of burial||Evergreen Cemetery (Portland, Maine)|
|Allegiance|| United States|
|Service/branch|| United States Army|
|Years of service||1862–1865, 1898|
|Unit||17th Maine Volunteer Infantry Regiment|
|Battles/wars||American Civil War|
|Awards||Medal of Honor|
- State of Maine (2005). "Congressional Medal of Honor Recipients". Retrieved April 16, 2018.
- Bowdoin College (1911). Obituary Record of the Graduates of Bowdoin College and the Medical School of Maine. pp. 29–30. Retrieved April 11, 2018 – via Google Books.
- Clayton, W. W. (W Woodford) (1880). History of Cumberland Co., Maine. The Library of Congress. Everts & Peck. ISBN 978-1175203502. Retrieved April 10, 2018.
- Supreme Court of the United States (1883). "United States Reports, Supreme Court: Cases Argued and Adjudged in the Supreme Court of the United States". Little, Brown and Company. p. 467. Retrieved April 10, 2018 – via Google Books.