Who led the Lakota Sioux in the Battle of Little Bighorn in 1876?

Lieutenant George Armstrong Custer

On the US side it was the 7th Calvary Regiment of the United States Army, with George Custer and Marcus Reno as leaders, among others.

On the other side, it was the Lakota, Dakota, Cheyenne and Arapaho tribes, whose leaders included Crazy Horse and Chief Gall - and they won