Sitiawan (alternate spelling: Setiawan; origin: from Malay, a portmanteau of Setia Kawan, meaning "Loyal Friend") is a region in Manjung District, Perak, Malaysia. The region spans an area of 331.5km2. In the year 2000, the population was 95,920 and by 2015, has grown to more than 150,000. Sitiawan (mukim), is located at .
