National Historic Register properties in Warren county/parish, Iowa

• Coal Creek Bridge (Carlisle)
• Hoosier Row School (Indianola)
• Indianola Carnegie Library (Indianola)
• Indianola High School (Indianola)
• Lake Ahquabi State Park, Bathhouse Area (Area B) (Indianola)
• Lake Ahquabi State Park, Picnic Area (Area A) (Indianola)
• Lake Ahquabi State Park, Refectory Area (Area C) (Indianola)
• Polled Hereford Breed Origin Site (Indianola)
• Science Hall (Indianola)
• Warren County Court House (Indianola)
• Octagon Barn, Otter Township (Milo)
• Palmyra Methodist Episcopal Church (Palmyra)
• United Presbyterian Church, Summerset (Scotch Ridge)