Background: Sleep disorders often occur in the elderly, Sleep Apnea often occurs in the elderly. Sleep disorders worsen the quality of life of the elderly and reduce the productivity of the elderly Objective: The purpose of this study was to determine the relationship between sleep apnea and sleep quality in the elderly Methods: This study is a cross-sectional study conducted in a multicenter manner at the outpatient polyclinic of RSUD Dr. Soetomo and the outpatient polyclinic at the Airlangga University Hospital, Surabaya. Each subject who entered this study will fill out the SDQ questionnaire to measure sleep apnea and the PSQI questionnaire. This study was approved by the ethics committee of RSUD Dr. Soetomo Surabaya and Airlangga University Hospital Surabaya. Results: We collected data from 345 patients who were treated at the outpatient polyclinic of Dr. Soetomo Hospital Surabaya and Airlangga University Hospital Surabaya. It was found that 24 patients (7%) were in the sleep apnea category and 321 patients (93%) were not in the sleep apnea category. Of the 24 patients with sleep apnea category, 22 patients had sleep disturbances as measured by the PSQI questionnaire (91.7%) and 2 patients (no sleep disturbances) this was statistically significant p < 0.01; OR 44.17(CI 95%)(10.124-192.729) Conclusion: Sleep apnea has an influence on sleep quality in the elderly in the outpatient polyclinic of RSUD Dr. Soetomo and Airlangga University Hospital Surabaya.