| Gyan Singh Sohanpal | |
| Office: | Pro tem Speaker of the West Bengal Legislative Assembly |
| Term Start: | May 18, 2011 |
| Term End: | May 30, 2011 |
| Office1: | Member of the West Bengal Legislative Assembly |
| Term Start1: | 1969 |
| Term End1: | 1977 |
| Constituency1: | Kharagpur Sadar |
| Predecessor1: | Narayan Choubey |
| Term Start2: | 1982 |
| Term End2: | 2016 |
| Predecessor2: | Sudhir Das Sharma |
| Successor2: | Dilip Ghosh |
| Constituency2: | Kharagpur Sadar |
| Office6: | Minister of Small Industries and Jails Government of West Bengal |
| Term Start6: | February 25, 1969 |
| Term End6: | July 30, 1970 |
| Governor6: | Shanti Swaroop Dhavan |
| 1Namedata6: | Ajoy Mukherjee |
| 1Blankname6: | Chief Minister |
| Office7: | Minister for Transport, Jail and Parliamentary Affairs Government of West Bengal |
| Term Start7: | March 19, 1972 |
| Term End7: | June 21, 1977 |
| Governor7: | Anthony Lancelot Dias |
| 1Namedata7: | Siddhartha Shankar Ray |
| 1Blankname7: | Chief Minister |
| Governor: | M. K. Narayanan |
| Predecessor: | Hashim Abdul Halim |
| Successor: | Biman Banerjee |
| Constituency: | Kharagpur Sadar |
| Birth Date: | 11 January 1925 |
| Birthname: | Gyan Singh Sohanpal |
| Nationality: | Indian |
| Party: | Indian National Congress |
| Alma Mater: | Midnapore Collegiate School |
Gyan Singh Sohanpal (11 January 1925 – 8 August 2017), was an Indian politician affiliated with the Indian National Congress and a member of the West Bengal Legislative Assembly.[1] He is affectionately known as Chacha Ji ("Uncle" in English) in his constituency of Kharagpur Sadar.
He won his seat Kharagpur Sadar in 1969, 1971, 1972, 1982, 1987, 1991, 1996, 2001, 2006 and 2011.[2]
Since 1969, he only lost elections in 1977 and 2016 when he was 91 years old.
He was MLA for 10 terms.[3]
He contested his first election in 1962 and became a minister in 1969 in Ajoy Mukherjee’s cabinet, taking charge of Small Industries and Jails. In Siddhartha Shankar Ray’s cabinet, he was the Minister for Transport, Jail and Parliamentary Affairs. He has represented Khragpur since 1982, and in the 2011 election, he defeated Anil Kumar Das of the CPI(M) by over 32,000 votes. Following that election, he was the most senior Member of the Legislative Assembly of West Bengal and served briefly as Speaker of the Legislative Assembly.[4] He was sworn in as the Speaker by Governor M. K. Narayanan on May 18, 2011.