Charles J. M. Gwinn

Charles John Morris Gwinn (also spelled Gwin; October 21, 1822 – February 11, 1894) was an American lawyer and politician who served as attorney general of Maryland from 1875 to 1883. A member of the Democratic Party, Gwinn also served as the first state's attorney of Baltimore from 1852 to 1856 and as a member of the Maryland House of Delegates from Baltimore in 1849.

Gwinn was born in Baltimore; his father was a merchant. After attending the University of Maryland and Princeton University, he was admitted to the bar in 1843 and served a one-year term in the House of Delegates in 1849. He was a delegate to the convention that formed the Maryland Constitution of 1851 and the first state's attorney of Baltimore elected under that constitution. He took office in January 1852 and served one four-year term, declining to seek reelection in 1855 and being replaced by Milton Whitney Sr. After serving as state's attorney, he returned to law, where he was lead counsel for the Baltimore and Ohio Railroad and counsel for several other people and companies. He was elected attorney general of Maryland in 1875 and re-elected in 1879. He left office in 1883 and died of pneumonia in his Baltimore home in 1894.