OBJECTIVE: The aim of this study to evaluate the incidence and localization of facial nerve dehiscence in patients undergoing middle ear surgery. MATERIALS AND METHODS: A retrospective study done at our ENT center consists of 103 patients undergoing various middle ear surgery. The patients who have been operated in our ENT center for middle ear problems in last 3 years were enrolled for the study. Among 103 patients, 35 were women, 68 were men with age ranging from 7 to 59. STATISTICAL TOOL: proportion and percentage, Chi square test. Statistical method analyzed by Graph Pad Instat software. RESULTS: Facial nerve dehiscence occurred in 15 (14.5%) of 103 patients. Involvement of tympanic segment more common than other segments. CONCLUSION: Conclusively, one out of every 10 surgical cases may have dehiscence of the facial canal which has to be always keeping in mind during surgical manipulation of the middle ear. Facial nerve is most vulnerable structure in middle ear and that should be dealt carefully to avoid complications.