OBJECTIVES: This study aimed to compare patients’ perceived postoperative pain after robotic-assisted inguinal hernia repairs (R-IHR) vs. open IHR (O-IHR) vs. laparoscopic IHR (L-IHR). METHODS: A retrospective survey was conducted among patients who had O-IHR, L-IHR and R-IHR in the past 12 months. Patients were recruited from a national marketing research panel and 10 surgical practices across the United States. A questionnaire, including a 0 to 10 pain scale, was used to assess pain level perception, interruption of daily activities, and time to return to normal activity. T-tests and Z-tests were performed between R-IHR vs. L-IHR and vs. O-IHR, respectively. Sub-analyses were performed for patients age≤/>60, having/not having previous IHRs and using/not using pre-operative pain medication. RESULTS: The study included 214 O-IHRs, 214 L-IHRs, and 98 R-IHRs. Of them, 35.4% had a previous IHR , and 39.2% took pain medication before surgery. R-IHRs had significantly lower perceived pain level (4.0±2.9 vs.6.5±2.7 score), less perceived disruption of daily activities (6.2±3.0 vs. 7.6±2.0 score), less time between surgery and stopping prescription pain medication (8.9±11.3 vs. 14.2±18.8 days) than O-IHRs. Similar patterns were observed among patients aged>60, among those having previous IHRs and among those using pre-operative pain medications. A significantly higher proportion of R-IHR patients reported having only one follow-up visit than O-IHR patients (54% vs. 34%). Compared to L-IHR, significantly lower perceived pain (4.0±2.9 vs.4.8±2.8 score) and fewer days from surgery to stopping prescription pain medication(8.9±11.3 vs. 11.8±13.5 days) were observed in R-IHR. For patients having previous IHRs, post-operative perceived pain level and duration of pain medications were significantly lower in R-IHR than L-IHR. All p-values were<0.1 CONCLUSIONS: Robotic-assisted IHR is associated with lower post-operative pain perception, less disruption of daily activities, and shorter duration of pain medicines compared to open or laparoscopic. Further prospective studies are needed to determine the long term patient benefits.