St. Clair County police triangle sighting
- When
- Where
- St. Clair County, IL
- Sources
- 3 public sources

Before dawn, a Highland business owner and police officers in Lebanon, Shiloh, Millstadt and Dupo, Illinois, reported a large, low, slow object with bright lights, which some described as triangular. The FAA suggested an advertising blimp; witnesses and some researchers dispute that.