To compare the severity of Tinnitus in patients with and without hearing loss using Tinnitus Functional Index. Methodology: Study method: Prospective study. Study centre: Saveetha Medical College And Hospital, Thandalam. Study population: Patients with complaints of Tinnitus attending the ENT OPD. Study duration: 6 months - from January 2022 to June 2022. Sample size: 50. To address the chief complaints of the patients with complaints of tinnitus, a questionnaire was reviewed, and tested. The severity of tinnitus was evaluated using the Tinnitus Functional Index questionnaire. Results: The study outcome was tabulated and analysed. Statistical techniques were used to verify the accuracy of results. Out of 50 tinnitus patients, Mild annoyance (7), Moderate annoyance (31) and Severe annoyance (12) were the results obtained. Conclusion: On calculating the severity of tinnitus using Tinnitus Functional Index for sample size of 50 patients moderate severity patients were high compared to mild and severe annoyance patients.