Background: acne vulgaris is the most common skin condition seen by the dermatologists. It is a chronic inflammatory disease of pilosebaceous unit characterized by seborrhea, comedones, papules, pustules, nodules, cysts and in some cases scars and keloids, which persist for rest of the life. Objectives: the present work aimed at evaluating the level of awareness, Attitude And Practice toward acne vulgaris in Jeddah city . Methods: a cross sectional analytical questionnaire based study was carried out  among the general population in Jeddah city. This study started in the year (2016) and composed  of 461 subjects. The mean age of citizens was 28,82. To assess citizens' demographic factors and beliefs about acne vulgaris, consenting citizens completed an anonymous online questionnaire. The data was entered and analyzed using SPSS version 20. Results: The sample is consisted of 65,8% women and 34,2% men. Among the respondents 7,7% reported suffering from acne vulgaris and 13,6% confirmed having a history of acne vulgaris illness in their family. The results of the study showed that 153 (34,8%) subjects had weak knowledge related to the disease, 260 (59,1%) subjects had average level of knowledge while only 27 (6,1%) subjects had good knowledge regarding acne vulgaris. There was a statistical significant association between gender, educational level and the level of awareness about acne vulgaris. Conclusion: acne vulgaris is a disease that is potentially controllable but that cannot be cured. Education still be important overall the treatment of the patients.