Choristoneura diversana is a species of moth of the Tortricidae family. It is found in Great Britain, France, Belgium, the Netherlands, Germany, Denmark, Austria, Switzerland, Italy, the Czech Republic, Slovakia, Slovenia, Poland, Bulgaria, Hungary, Romania, Norway, Sweden, Finland, the Baltic region, Russia and the Near East. In the east, the range extends to China (Heilongjiang), Korea and Japan. The habitat consists of gardens, scrub and fens. The wingspan is 15–20 mm for males and 19–23 mm for females. Adults have been recorded on wing from June to August in western Europe.