Ilse Annoeska de Lange (born 13 May 1977), better known as Ilse DeLange, is a Dutch country and pop rock singer-songwriter. In 1998, she gained fame with her single 'I'm Not So Tough', which later became multiple platinum in The Netherlands. Other hits were "Miracle", "So Incredible" and "The Great Escape".

As the lead singer of The Common Linnets, she finished in second place at the Eurovision Song Contest 2014. In 2019, DeLange presented Duncan Laurence as the Dutch entry for the Eurovision Song Contest 2019. She also directed and mentored Laurence's act, resulting in Laurence winning the contest with his song "Arcade".

DeLange has won many awards in her career of which the Jeff Walker Global Country Music Award of the Country Music Association Awards is the most known internationally. She also won several Edison Awards in 1998, 2001, 2004, 2009, 2011, 2015, 2019 and 2020.