Fuladlui-ye Shomali Rural District (Persian: دهستان فولادلوئ شمالي) is in Hir District of Ardabil County,[3] Ardabil province, Iran.

The previous capital of the rural district was the village of Aralluy-e Bozorg (now the city of Arallu).

[4] At the time of the 2006 National Census, the rural district's population was 9,263 in 1,924 households.

[6] The 2016 census measured the population of the rural district as 9,341 in 2,632 households.

The most populous of its 12 villages was Aralluy-e Bozorg (now the city of Arallu),[4] with 2,650 people.