| Office1: | Chief Secretary of Uttar Pradesh |
| Term Start1: | June 2014 |
| Term End1: | 16 July 2016 |
| Predecessor1: | Jawed Usmani |
| Successor1: | Deepak Singhal |
| Office2: | Chief Adviser to Chief Minister of Uttar Pradesh & Chairman, UPSIDC |
| Term Start2: | July 2016 |
| Term End2: | March 2017 |
| Predecessor2: | Office established |
| Successor2: | Office abolished |
| Birth Date: | 9 March 1956 |
| Birth Place: | Unnao, Uttar Pradesh, India[1] |
| Occupation: | Retired IAS Officer, Thought Leader, Speaker & Author. |
| Children: | Shivam Ranjan and Shikhar Ranjan |
| Spouse: | Surabhi Ranjan |
| Alma Mater: | MBA(PGDM, 2yr), IIM Ahemdabad BA(Hon.) Economics, St. Stephen's College, Delhi University |
| Nationality: |  India |
| Alok Ranjan | |
| Native Name: | आलोक रंजन |
| Native Name Lang: | hi |
Alok Ranjan (born 9 March 1956) is a retired 1978 batch IAS officer from the U.P Cadre. He retired on 1 July 2016[2] after holding the office of Chief Secretary for the Government of Uttar Pradesh[3] for over two years.
After retirement, he was appointed as the Chief Adviser to Chief Minister of U.P and Chairman U.P.S.I.D.C (Uttar Pradesh State Industrial Development Corporation).[2] He resigned from this post following the defeat of the ruling Samajwadi Party government in the state assembly elections.[4] [5]