The Grandview Park Music Pavilion is a historic structure located in Sioux City, Iowa, United States.

The Monahan Post Band raised money in 1930 to build a modest music shell in the park.

The project was put on hold as the band raised more money and sought a more suitable design.

Henry L. Kamphoefner, an unknown Sioux City architect at that time, drew up the plans for the structure.

This article about a property in Woodbury County, Iowa on the National Register of Historic Places is a stub.