1st Washington Territory Infantry Regiment

1st Washington Territory Infantry Regiment
Colonel J. Steinberger
ActiveOctober 1861 – December 1865
DisbandedDecember 1865
Country United States
AllegianceUnion
BranchInfantry
Size1,032
EngagementsAmerican Civil War
Snake War
Affair at the Grand Ronde Prairie

The 1st Regiment of Washington Territory Volunteer Infantry (or 1st Washington Territory Volunteers) was a unit of infantry raised by the Washington Territory for service in the Union Army during the American Civil War.