Hayden, who has previously worked with Pakistan, will join a Gujarat coaching staff that includes Ashish Nehra, Vikram Solanki and Parthiv Patel.
Gujarat director of cricket Solanki said: "His experience at the highest level, coupled with his ability to mentor emerging talent, will be instrumental in shaping our batting identity for the seasons ahead."
Hayden added: "Good batting applies pressure. Great batting owns the game. That's the standard we want to set at Gujarat Titans."
A former opener for the Aussies, Hayden is a two-time ODI World Cup winner and was inducted into the ICC Hall of Fame last year.
He also played in the IPL for Chennai Super Kings and won the tournament in 2010 and finished as the IPL's leading run-scorer in 2009.
Gujarat Titans will be captained by Shubman Gill and will be looking to go one better this season after finishing as runners-up in 2025.
Aiden Markram has been one of the standout performers of the 2026 T20 World Cup, and former Proteas captain Faf du Plessis believes his transformation as an opener began during his time in the Indian Premier League.
Bangladesh has imposed an indefinite ban on the broadcast and promotion of the Indian Premier League following the controversial removal of fast bowler Mustafizur Rahman from Kolkata Knight Riders ahead of the 2026 season.
David Miller, Lungi Ngidi and Anrich Nortje were all bought for more than R3million at the Indian Premier League mini-auction, while Quinton de Kock also picked up a new deal.
Former Proteas captain Faf du Plessis has confirmed that he will not put his name in the auction for the 2026 Indian Premier League, and has instead decided to play in the Pakistan Super League.
