Sushil Kumar Modi (5 January 1952 – 13 May 2024) was an Indian politician from the Bharatiya Janata Party who was a Member of Parliament in the Rajya Sabha from Bihar.

He was appointed the Chairman of the Empowered Committee of State Finance Ministers for the Implementation of Goods and Service Tax in July 2011.

In 1990, he joined active politics and successfully contested from Patna Central Assembly (now known as Kumhrar (Vidhan Sabha constituency)).

He filed the Public Interest Litigation (PIL) in the Patna High Court against Lalu Prasad Yadav, which was later known as the Fodder Scam.

[16] In 2017, Sushil Modi was the main player behind the fall of the JDU-RJD Grand Alliance government in Bihar, with his continuous tirade against RJD chief Lalu Prasad and his family for four months over his alleged benami properties and irregular financial transactions.

[18][19] On 8 December 2020, he was elected unopposed to the Rajya Sabha from Bihar to fill the vacant seat after Ram Vilas Paswan's death.

[20] Modi was opposed to efforts to legalize same-sex marriage in India, describing supporters as "left-liberals” who want to “imitate the West and impose such laws" on the Indian public.

[21] Modi argued that legalizing same-sex marriage in India would "cause complete havoc with the delicate balance of personal laws in the country".

[22] On 3 April 2024, Modi revealed that he had been diagnosed with cancer six months previously, and would not take part in the BJP’s Lok Sabha campaign for the 2024 general election.

[23][24]  During the Lok Sabha elections, he had revealed his illness on social media[25] .According to Narendra Modi "He has played an invaluable role in the rise and success of BJP in Bihar".