Rahat Hayat (born October 23), better known by his stage name DJ Rahat, is a Bangladeshi DJ. He has opened a school for DJs in Bangladesh.
In 2007, he featured in the song Bondhu by Nancy. In March 2009, he released Abhimaner Deyal with Julie. He has performed in the 2011 Cricket World Cup and the 2014 ICC World Twenty20. He has released 8 albums featuring other Bangladeshi artists, including Partha Barua, Dilruba Khan, Kumar Biswajit, Nancy, Oyshee, Konal, Fahmida Nobi, Bappa Mazumder, Pantho kanai, Alif Alauddin, Muhin, Baul Shafi Mondol, Shuvo, Onita, Liton, Mukta, Lemis, Nishita Barua, Kona, Uptown Lokolz, and Bangla Mental. In June 2017, he released a single with Tanjib Sarowar.