First Lieutenant David L. Cockley (June 8, 1843 – December 26, 1901) was an American soldier who fought in the American Civil War.

Cockley received the country's highest award for bravery during combat, the Medal of Honor, for his action during the Battle of Waynesboro in Georgia on 4 December 1864.

[1][2] Cockley was born in Lexington, Ohio on 8 June 1843.

He died on 26 December 1901 and his remains are interred at the Shelby-Oakland Cemetery in Shelby, Ohio.

While acting as aide-de-camp to a general officer, he 3 times asked permission to join his regiment in a proposed charge upon the enemy, and in response to the last request, having obtained such permission, joined his regiment and fought bravely at its head throughout the action.