Roop Nath Singh Yadav (Hindi:रूप नाथ सिंह यादव) was an Indian politician and Member of Parliament of 6th Lok Sabha, belongs to Janata Party representing Pratapgarh Parliamentary Constituency of Uttar Pradesh.
Joined Indian National Congress (I) in 1985–86 in presence of the then Prime Minister of India, Rajiv Gandhi and was DCC Chief Allahabad.
His younger brother Babu Athairam Yadav was also elected three times as member of legislative assembly from Handiya Allahabad constituency.
Roop Nath Singh Yadav was a member of Sixth Lok Sabha from 1977 to 1979 representing Pratapgarh Parliamentary Constituency of Uttar Pradesh.
A keen social and political worker, Shri Yadav worked relentlessly for the uplift of the downtrodden and weaker sections of the society.