Background: urinary incontinence is a distressing common medical disease in which patient cannot control leakage of urine. The prevalence of urinary incontinence differs between countries and between different studies.  The risk factors for urinary incontinence including increasing age, chronic cough, medical co-morbidity, childbirth, obesity, depression, smoking, gender and previous hysterectomy. Aim of the work: this study aimed to assess the prevalence of urinary incontinence in Saudi females and its associated risk factors. Methods: this was a cross-section study based on a survey on the internet, it included 400 female participants with a minimum age of 30 years old. Results: the prevalence of urinary incontinence was 44.25%, 66.3% of them were in age of 50 years and above. 43.5% of participants were obese, 19.5% were post-menopausal, 6.25% performed hysterectomy, 37.5 % had parity more than 3 times, 33% had depression and 35.5% had diabetes. Conclusion: prevalence of urinary incontinence was moderate. The most common risk factors for urinary incontinence were older age, menopause and high parity.