Al Hidd (Arabic: الحد; transliterated: Al-Ḥidd) is a town in Bahrain, located on a sand spit on the southeastern extremity of Muharraq Island.
Before the discovery of oil in Bahrain, the inhabitants of Hidd were largely involved in the fishing or pearl diving industries.
Al Hidd is considered a very religiously and culturally conservative area of Bahrain, with many of the town's firjan, or neighborhoods, being composed of old buildings.
Situated close by is East Hidd City, a large public housing project under construction.
In addition to several factories, the Industrial Area is the site of a large power plant, a water desalination plant (which supplies 75% of Bahrain's clean water requirements), and a drydock (Arab Shipbuilding and Repair Yard or ASRY).