Jason Joel Desrouleaux (born September 21, 1989, in Miramar, Florida), known professionally as Jason Derulo (/dəˈɹuːloʊ/; formerly stylised as Derülo), is an American singer, songwriter, and dancer of Haitian descent. Since the start of his solo recording career in 2009, Derulo has sold over 30 million singles and has achieved eleven Platinum singles, including Wiggle, Talk Dirty, In My Head, and Whatcha Say.

After producing records for several artists and writing songs for Cash Money Records co-founder Birdman, Young Money Entertainment owner Lil Wayne and rapper Diddy, Derulo signed to minor recording label Beluga Heights. After Beluga Heights became part of the Warner Music Group, Derulo released his debut single Whatcha Say in May 2009. It sold over five million digital downloads, gaining an RIAA certification of triple Platinum, and reaching number 1 in the U.S. and New Zealand. Derulo released his second single, In My Head, in December 2009 and his debut studio album, Jason Derulo, followed on March 2, 2010. He released his second album, Future History, on September 16, 2011; the album was preceded by the release of the UK number-one single Don’t Wanna Go Home. Derulo’s third international album, Tattoos, was released on September 24, 2013 and later repackaged as his third U.S. album, Talk Dirty, released on April 15, 2014.

In 2015, Derulo released his single Want to Want Me and announced his fourth studio album, Everything Is 4, which was released on June 2, 2015. His next album, 2Sides, will follow in 2018.