Background: Irritable bowel syndrome (IBS) is the commonest functional gastrointestinal disorder with worldwide prevalence 11.2%, IBS characterized by recurrent colicky or cramping abdominal pain and altered bowel habit. Methods: A cross sectional study was conducted among AL Qunfudhah population with total 1003 of participants who were asked to complete questionnaires. Results: 28.9% were affected with IBS, this study shows higher predominance in females than males, The most common symptoms among our participants were bloating 37.1%, abdominal pain 26.8% and constipation 20.4%.24.4% were suffering from constipation or diarrhea in the morning and these symptoms affected by spicy food and fried food. Conclusion: Based on our findings, the predominance of IBS among females was higher. Bloating and abdominal pain were the commonest symptoms. Anxiety and depression affect IBS symptoms significantly. Our study emphasizes the correlation between certain foods and IBS symptoms. High fiber diet and low carbohydrate diet will improve the IBS symptoms.