Background: Assessment of patient satisfaction with postoperative pain management is vitalrntools for measuring the quality of care in health center. There is a paucity of data regarding tornthis topic, as it does not previously been studied yet in study area. rnObjective: This study aimed to assessing magnitude of patient satisfaction with postoperativernpain management and its associated factors among elective surgical patients postoperatively atrnTikur Anbessa Specialized Hospital, from Feb to Apr, 2021. rnMethod: Institutional based cross-sectional study was conducted among 335 adult patients usingrnsystematic random sampling technique. Data were collected through structured questionnairesrnbased on the modified APS-POQ to obtain responses from the patients. Both bi-variable andrnmultivariable logistic regression analysis was done to evaluate the association. P-value less thanrn0.05 considered as statistically significant. rnResult: The find of this study revealed that 74.5% of patients were satisfied with overall painrnmanagement services. Patients with ASA I (AOR = 2.3; 95%CI: (1.06-5.08), received rnmultimodal analgesics (AOR 4.30; 95% CI: (2.02- 9.18), no perceived pain (AOR =6.7; 95%rnCI: (1.54-29.7), had pain discussion (AOR = 8.9;95% CI: (3.67-21.90) and waiting for analgesiarnservice less than 30 minute (AOR =6.3;95% CI: (1.34-29.58) were more satisfied with their painrnmanagement. rnConclusion: The study shows that patient satisfaction with postoperative pain management wasrnlow in our setup as compared with many studies. Thus, there is need to improve perceivedrnquality of postoperative pain management services at study area.