Idilpur Union (Bengali: ইদিলপুর ইউনিয়ন) is a union parishad of Gosairhat Upazila under Shariatpur District in the Dhaka Division, southern-central Bangladesh beside the . In the past Idilpur or Idalpur or Edilpur pargana was the largest zamindari of Faridpur District and before that it was one of the 5 important parganas of Bakarganj during the British Raj.