Andrew Jackson Poppleton (July 24, 1830 – September 9, 1896) was a lawyer and politician in pioneer Omaha, Nebraska.

Serving in a variety of roles over his lifetime, his name is present throughout many of the important events of early Omaha history.

One of the founders of the Omaha Claim Club, Poppleton was also heavily involved in the enforcement of its rules over the city.

The most important case he ever argued was the 1879 trial of Standing Bear v. Crook, held at Fort Omaha.

Standing Bear, a Ponca chief, successfully argued in U.S. District Court that Native Americans are "persons within the meaning of the law" and have the rights of citizenship.