Julius Herrman Block (March 30, 1860 – September 26, 1915) was an American businessman and politician.

Block was born in Galion, Ohio and he moved with his parents to Le Sueur County, Minnesota.

He served on the St. Peter Police Force and as the Nicollet County, Minnesota sheriff.

In 1883 and 1884, Block served as a corporal in the Minnesota State Militia, Company I.

After he left office, Block was the editor of a monthly literary magazine published in Duluth, Minnesota: The Bull's Eye.