Nadia Ali (Urdu: نادیہ علی‎) (born 3 August 1980) is a Pakistani American singer-songwriter. Ali gained prominence in 2001 as the frontwoman and songwriter of the band iiO after their debut single "Rapture" reached No. 2 on the UK Singles Chart. The song also charted across several countries in Europe. Their 2006 single, "Is It Love?", reached the top of the Billboard Hot Dance Club Play Chart.

After embarking on a solo career in 2005, Ali became successful as an oft-requested vocalist in electronic dance music. She released her debut album Embers in 2009. Critics praised her unique songwriting, which combined electronica with ballads, Eastern and acoustic music. Three singles from the album reached the top-ten of the Billboard Hot Dance Club Play Chart, including the No. 1 hit, "Love Story". The song was also nominated at the 25th International Dance Music Awards at the Winter Music Conference, while "Fantasy" was nominated for a Grammy award.