Arjun Singh (born 2 April 1962) is an Indian politician and a Member of Parliament in the 17th Lok Sabha from Barrackpore Lok Sabha constituency in West Bengal. He contested the 2019 Indian general election as a BJP candidate and won against TMC candidate Dinesh Trivedi. Previously, Singh had also won Bhatpara assembly seat consecutive four times since 2001 as a Trinamool Congress candidate. He has also been appointed one of the twelve Vice-Presidents of the West Bengal Unit of BJP on 1 June 2020. On 22 May 2022, he rejoined Trinamool Congress.