The Arnprior Greenshirts were a senior team that played in Arnprior, Ontario in the 1920's, 30's, 40's, and the 50's. They played mostly in the Upper Ottawa Valley League.
They won the Ottawa Citizen Shield (Intermediate) in 1927-28 and the Ottawa Citizen Shield (Senior B) in 1934-35, 1937-38, and 1938-39.
They won the Ottawa District Senior Title in 1927-28 and lost the semi final in the 1927-28 Eastern Canada Allan Cup Playoffs.