Dr Kanwar Deep Singh, also known as K. D. Singh, is an Indian businessman turned politician and Member of Parliament (MP), Rajya Sabha representing the All India Trinamool Congress, but first elected to the Indian parliament as a nominee of the Jharkhand Mukti Morcha party. He is the founder and the former chairman of the Indian business group called Turbo Industries, whose name was changed and rebranded as the Alchemist Group in 2004. He was elected to lead the Indian Hockey Federation (IHF) between 2013 and 2017.