TyDi (; born Tyson Illingworth, 31 May 1987) is an Australian DJ and record producer specializing in electronic dance music. Originally from Queensland, TyDi was signed by Armin van Buuren's Armada label at 17 and was ranked at No. 1 of Junkee's Australian Top 50 DJs in 2008 and 2009.

In 2009, he released his first album entitled Look Closer and in 2011 his second album Shooting Stars. It reached No.1 on the Australian, Canadian, Finnish and UK iTunes Dance charts and No.4 in the USA. Between 2008 and 2012 TyDi was included in the annual DJ Mag Top 100 DJs poll, with his highest position at No. 48 in 2011. In October 2012, TyDi signed a worldwide publishing deal with Rondor/Universal Music and a record deal with Republic Records in April 2013. His third album, Hotel Rooms, was released 22 November 2013.

His fourth album, Redefined, was released on 30 September 2014 and debuted at No. 4 on the USA iTunes dance chart and No.5 on the Australian iTunes dance chart. "Redefined", the title track on TyDi's third album, became the number one dance airplay record in the USA and also reached as high as No.9 on the Billboard Dance/Mix Show Airplay Chart in April 2015. It was also named Sirius XM Electro No.1 song of 2015. His sixth album, Collide, a collaboration with Christopher Tin, was released on 9 March 2018.