Gaines Ruger Donoho (December 21, 1857 – January 28, 1916) was an American painter.

Gaines Ruger Donoho was born on December 21, 1857, in Church Hill, Mississippi.

[1][2][3] He grew up on his father Robert's plantation in Church Hill, Mississippi, until the elder Donoho was killed during the American Civil War.

[3] One of his mother's relatives, General Thomas H. Ruger (1833–1907), had them moved to New England with the rest of her family.

[2] He practised as an Impressionist, Symbolist and Tonalist painter in Manhattan.