Cassville Municipal Airport is a public use airport located approximately one nautical mile southeast of Cassville, Wisconsin, United States, along the banks of the Mississippi River. The field elevation is 627 feet above mean sea level and the FAA location identifier is C74.

The airport is owned by the Village of Cassville.

Cassville Municipal Airport covers an area of 60 acres (24 ha). The airport has a single asphalt runway, designated 11/29, 3,000 feet long by 50 feet wide. As of August 2023, the runway surface was reported to be in poor condition, with numerous cracks and vegetation growing on the entire pavement length.

For the 12-month period ending May 22, 2024, the airport had 2,132 aircraft operations, an average of 41 per week: 75% of the traffic being local general aviation, 24% transient general aviation and 1% air taxi operations.

In July 2024, there were 8 aircraft based at this airport: 7 single-engine aircraft and 1 ultra-light.

• List of airports in Wisconsin

• FAA Airport Information for C74
• AOPA (Aircraft Owners and Pilot's Association) Information Page for C74
• SkyVector Aeronautical Charts for C74
• FlightAware information page for C74, including a live flight tracker

42°42′15″N 090°57′58″W / 42.70417°N 90.96611°W / 42.70417; -90.96611