The 184th Infantry Regiment is an infantry regiment of the United States Army consisting of soldiers from the California Army National Guard. Only the regiment's 1st Battalion remains an active military unit. The battalion supports state and federal missions in the State of California, United States of America and at overseas locations. The 184th Infantry Regiment can trace its lineage to the mid-19th century.

The California Army National Guard is one of three components of the California National Guard, a reserve of the United States Army, and part of the National Guard of the United States. The California Army National Guard is composed of 18,450 soldiers. Nationwide, the Army National Guard comprises approximately one half of the US Army's available combat forces and approximately one third of its support organization. National coordination of various state National Guard units are maintained through the National Guard Bureau.