Lypha dubia is a European and Asian species of fly in the family Tachinidae.
British Isles, Belarus, Czech Republic, Hungary, Lithuania, Moldova, Poland, Romania, Slovakia, Ukraine, Denmark, Finland, Norway, Sweden, Andorra, Bulgaria, Croatia, Greece, Italy, Portugal, Slovenia, Spain, Turkey, Austria, Belgium, France, Germany, Netherlands, Switzerland, Japan, China, Mongolia, Russia, Transcaucasia.