Siddhant Karnick (born 15 March 1983) is an Indian actor. He made his television debut playing Arjun Khanna in romantic teen drama show Remix (2004-2006) but gained popularity and became a household name with his portrayal of Rana Indravadhan Singh Deo in the award-winning television show Ek Tha Raja Ek Thi Rani (2015-2016).

Karnick's other notable television shows include Mahi Way (2010), Rishta.com (2010), Pyaar Kii Ye Ek Kahaani (2010-2011), Kismat (2011), Aasman Se Aage (2012) and Mere Sai (2018). He also appeared in episodic roles in various shows such as Yeh Hai Aashiqui (2013), Savdhaan India (2013), MTV Big F (2017), Kaal Bhairav Rahasya (2018). Apart from television shows he has appeared in few films such as Fast Forward (2009), Yeh Mera India (2009), Blue Oranges (2009), Lafangey Parindey (2010) and Listen Amaya (2013). In 2020, he appeared in the film Thappad, in the role of Viraj Sabharwal, which was co-produced and directed by Anubhav Sinha.