Nadir Khayat（阿拉伯语：نادر الخياط‎，1972年4月9日－），以艺名RedOne广为人知，活跃于美国的作曲家及音乐制作人。

RedOne出生于摩洛哥，19岁时离开家乡，到欧洲各地替人作曲，并发展自己的音乐事业。2007年，他冲出世界，转到美国纽约发展，并开始作出知名的作品， 包括参与Lady Gaga的歌曲〈舞力全开〉以及〈扑克脸〉。2009年，他与Lady Gaga合作的歌曲〈罗曼死〉热播各地，成绩骄人，亦令他的事业登上巅峰，〈罗曼死〉直至2010年5月在YouTube的点击率已超过两亿次，他的歌曲作品曾被提名葛莱美奖。 RedOne目前的总部设在美国洛杉矶。

Nadir Khayat (Arabic:نادر الخياط‎), known professionally as RedOne, (born 9 April 1972) is a Moroccan Swedish record producer, songwriter, and record executive.

As a producer and songwriter, he has worked with many high profile recording artists, most notably Lady Gaga, Nicki Minaj, Jennifer Lopez, Pitbull, Enrique Iglesias, Mariah Carey, Paulina Rubio, Mylène Farmer, Inna, Alexandra Burke, Ayumi Hamasaki, Austin Mahone, One Direction, Marc Anthony, Isac Elliott, Emilie Esther, The Band Perry, Prince Royce, Rod Stewart, among many others. His production discography boasts many Billboard and international hits, which he produced and co-wrote. RedOne has established his own record label named 2101 Records as a joint venture with Universal Music Group. RedOne has been nominated for six Grammy awards, winning three. He was also awarded The Grammis Award for Producer of the Year, which is the Swedish equivalent to Grammy Awards. In 2009, he was the number one producer on the Billboard Hot 100 singles chart, ranking number three as songwriter and BMI Songwriter of the Year. Commonly, he produces pop, dance, eurodance, house genres.