Oualid Ardji (; born September 7, 1995) is an Algeria footballer who plays as an attacking midfielder for US Biskra.
In July 2016, Ardji joined NA Hussein Dey. In December 2017, he returned to USM Alger. In 2021, Ardji returned to NA Hussein Dey. In 2022, he joined CS Constantine. On 4 February 2024, Ardji joined MC Oran.