Background: penile prosthetic surgery is associated with satisfaction rates> 90% for the general implant population. However, it is suggested that satisfaction rates may be lower in certain populations. Objective: to analyze the factors affecting male satisfactionrates after penile prosthesis implantation (PPI). Patients and Methods: this observational retrospective and prospective study included all patients who underwent PPI surgery at Al-Azhar University Hospitals [Al-Hussein and Sayed Galal]; Cairo; Egypt during the period from January 2015 to May 2019. One hundred and three men were eligible for the study. The age of patients, body mass index (BMI), associated medical co-morbidities, etiology of erectile dysfunction (ED), duration of ED before PPI, date of the surgery, and intra- and post-operative complications were evaluated. Men`s satisfaction with PPI was evaluated at a time point at least 6 months postoperatively by using the validated Quality of Life and Sexuality with Penile Prosthesis (QoLSPP) questionnaire. Results: seventy-six (73.8%) subjects were highly satisfied while 27 (26.2%) were less satisfied. The BMI of highly satisfied subjects was significantly lower than those less satisfied (21.3±2.2 kg/m2 vs. 27.5±1.4 kg/m2 ; p<0.001) and a significant positive relationship was found between BMI and less satisfaction. Conclusion: the increase in is male´s BMI has a negative impact on his satisfaction levels post PPI; with every unit increase in male´s BMI > 24.5 kg/m2 , there is increase in the risk of less satisfaction by 11.1 times.