Siddharth Kannan is an Indian television and radio host, announcer, voice-over actor and a film critic.

At the age of 14, Siddharth joined Times FM as a Radio Host. He holds the record for becoming the youngest radio host in India. In 1997, while at college, he joined Radio Star on 107.1 FM and hosted a show with Cyrus Broacha called ‘Miranda Char Baje Band Baje’. He started India’s first radio school called ‘Wild on Air’ in 1999. Emirates 2 FM in Dubai syndicated their Hindi shows to him, for whom he hosted and produced shows from Mumbai. He also produced and hosted shows for Rediff Radio on rediff.com. In 2009,He started an A list Bollywood celebrity chat show ‘Meow Starburst’ on Meow 104.8fm. Later called as ‘Oye talkies’ and then re-christened as ‘Bollywood Khul Ke ‘ on Oye 104.8FM(a TV Today Network initiative). Sid K has interviewed Amitabh Bachchan, Shahrukh Khan, Salman Khan, Himesh Reshammiya, Aamir Khan, Ranbir Kapoor, Deepika Padukone, and Katrina Kaif.

He hosted his first TV show in 2006 –’Santa and Banta Newz Unlimited’ with renowned singer and rapper Baba Sehgal on Zoom. In 2010,Sid started his next TV show ‘See Taare Mastiii Mein’ –An ‘A list’ celebrity chat show on Mastiii. In 2012,he was the commentator on ‘Ring Ka King’ on Colors produced by Endomol India and backed by Total NonStop Action Wrestling (TNA). In 2014,he was one of the hosts of Star Sports Pro Kabaddi and in the same year he was the host of the inaugural season of the Champions Tennis League on Sony Six.

On 10 May 2017, Siddharth Kannan was the official red carpet host of the Justin Bieber concert at DY Patil Stadium, Mumbai.

He has been the voice over artist for the IIFA AWARDS (2000–2014), Filmfare Awards and Stardust Awards.