Ishwak Singh is an Indian actor who primarily works in Hindi-language television series. Following small roles in several films, he became known for starring in the series Paatal Lok (2020) and Rocket Boys (2022–2023), receiving nominations for the Filmfare OTT Awards. He has since starred in the horror series Adhura and the second season of Made in Heaven, both in 2023.

Paatal Lok (transl. Netherworld) is an Indian Hindi-language crime thriller television series on Amazon Prime Video, created by Sudip Sharma, who wrote the script along with Sagar Haveli, Hardik Mehta and Gunjit Chopra, and directed by Avinash Arun and Prosit Roy. The series was produced by Anushka Sharma, under the banner Clean Slate Filmz, and stars Jaideep Ahlawat, Gul Panag, Neeraj Kabi, Swastika Mukherjee, Ishwak Singh, and Abhishek Banerjee. Loosely based on Tarun Tejpal's 2010 novel The Story of My Assassins, the series is about a disillusioned cop who lands the case of an assassination attempt gone wrong.