The 1st Nevada Infantry Battalion was in infantry unit raised for service for the Union Army during the American Civil War.

Authorization was given to raise a full regiment. Charles Sumner was commissioned colonel with A. W. Briggs as lieutenant colonel and John G. Paul as major. The unit, however, never reached full regimental strength and these officers were not mustered into service.^[1] Three companies were organized at Fort Churchill, Nevada Territory beginning in 1863.^[2]