Charles Hinman Graves (August 14, 1839 – October 7, 1928) was an American army officer, politician, and diplomat.

Breveted four times for gallantry in action, he participated in many battles in the Eastern Theater, and finished the war at the rank of lieutenant colonel.

The war over, Graves decided to stay in the army until December 1870, at which time he was discharged from the Thirty-fourth infantry.

[a] Following his discharge from the army, Graves moved to the port city of Duluth, Minnesota, where he initially involved himself various business ventures including shipping, real estate, iron mining, and insurance, and became the first person to ship wheat from Duluth's port in 1871.

Just before leaving for his posts, Graves announced at a farewell banquet that he would be marrying a Miss Alice Kinney from Athens, Pennsylvania on April 25.