The director jumped off the Vincent Thomas bridge in San Pedro on Sunday afternoon (August 19).
Stars including Karan Johar and Madhur Bhandarkar took to Twitter to honour Scott, describing the Top Gun helmer as "pure genius", NDTV Movies reports.
Madhur Bhandarkar wrote: "Shocked to hear about my favourite 'THE UNSTOPPABLE' Filmmaker Tony Scott's demise... RIP."
Sonam Kapoor tweeted: "This is so sad. He was one of my favourite filmmakers.
Anubhav Sinha said: "This is unfair Mr.Tony Scott. But rest in peace sir and remember we feel obliged for what you did to cinema worldwide."
Karan Johar tweeted: "RIP Tony Scott... Your true romance with cinema will live on forever."
Atul Kasbekar commented: "Director Tony Scott passed away. Huge filmography, but if you haven't seen 'True Romance', do yourself a favour and see it asap. Pure genius."
Ranvir Shorey said: "Shocked to read about Tony Scott. The mysteries of the human heart. RIP."
Hollywood stars have also been paying their tributes to the world-renowned filmmaker.
The British-born director and brother of Sir Ridley Scott was behind Hollywood movies such as Top Gun, Days of Thunder, Beverly Hills Cop II, True Romance, Enemy of the State and Crimson Tide.
Watch Digital Spy interview Tony Scott about Unstoppable in 2010 below:
Tony Scott's career in pictures: