Ava Ranger Station Historic District is a national historic district located near Ava, Douglas County, Missouri. The district encompasses five frame and limestone buildings constructed by Civilian Conservation Corps in 1936. They are the 1 1/2-story, Colonial Revival style Ranger's Office; 1 1/2-story, Colonial Revival style Ranger's Dwelling; garage; warehouse and an oil house. It continues to be used as a Ranger Station for the Mark Twain National Forest.
It was listed on the National Register of Historic Places in 2003.