Ali Bouali, known professionally as Ali B (born 16 October 1981), is a Moroccan and Dutch rapper and entertainer. He is one of the most prominent rappers in the Netherlands and has collaborated with musicians such as Akon and Marco Borsato. He is seen as a leading figure in Dutch inter-ethnic relations.

Ali B has released three albums and various singles, including the 2004 Dutch number-one hit "Wat zou je doen" with Marco Borsato. He has performed at national events including the 2005 Queen's Day celebration and the 2013 inauguration of Willem-Alexander. He has been a judge on the television talent shows The Voice of Holland, The Voice Kids, X Factor, Holland's Got Talent and Ali B op volle toeren.

Following sexual misconduct allegations made against him in 2022, which resulted in two criminal charges for rape and two charges for assault, Ali B lost many of his endorsement deals and positions. On 12 July 2024, he was convicted on one count of rape and one count of attempted rape and sentenced to two years in prison. Ali B has indicated that he would appeal the sentence.