Sunil Kumar Sinha (born 7 July 1954) is an Indian Judge and former Chief Justice of the Sikkim High Court.
He studied in Government Multipurpose Higher Secondary School, Ambikapur and passed LL.B.
He was enrolled as an advocate under Madhya Pradesh Bar Council on 3 September 1980.
On 1st December 2004, he became the permanent Judge of the Chhattisgarh High Court.
[3] On 14 July 2014, Sinha was transferred as a judge of the Sikkim High Court and on 30 March 2015 he was elevated to the post of the Chief Justice of the Sikkim High Court.