OICC Press Communications in Nonlinear Analysis 2371-7920 3 2 2025 11 09 Note on some Iyengar integral inequalities EN Khaled Boukerrioua Lanos Laboratatory , University of Badji-Mokhtar, Annaba, Algeria. Badreddine Meftah Laboratoire des telecommunications, Faculte des Sciences et de la Technologie, University of 8 May 1945 Guelma, P.O. Box 401, 24000 Guelma, Algeria. Tarik Chiheb Laboratoire des Tlcommunications, Facult des Sciences et de la Technologie, Universit 8 Mai 1945 de Guelma,. P.O. Box 401, 24000 Guelma, Algeria. Journal Article 2025 11 09 In this short note, some Iyengar integral inequalities are established via new extension of Montgomeryidentity.