The 109th Field Artillery Regiment is an artillery regiment of the United States Army and the Pennsylvania Army National Guard.

The regiment served in combat during World War I and was commanded by Colonel Asher Miner.

[2] During the 1950s and 1960s, under the Pentomic army structure, the 2nd Battalion, 109th Artillery, served with the 28th Division.

1st Battalion, 109th FA, (the "Wyoming Valley Guards") is a battalion of the United States Army, maintained by the Pennsylvania Army National Guard.

In 1984-85 the 1st Battalion was part of the divisional artillery of the 28th Infantry Division.