Deendayal Upadhyaya (25 September 1916 – 11 February 1968) was an Indian thinker of RSS ideology, and former leader of the political party Bharatiya Jana Sangh, the forerunner of Bharatiya Janata Party.
He became president of the Jana Sangh in December 1967.
He died in mysterious circumstances, his body was found on 11 February 1968 on a railway track near Mughalsarai Junction railway station.
The railway station was later renamed in his honour in 2018, 50 years after his death.