K. Jana Krishnamurthi (24 May 1928 – 25 September 2007) was an Indian political leader who rose to be the President of the Bharatiya Janata Party (BJP) in 2001.

On a request from Atal Behari Vajpayee, he filed a petition in the Madras High Court challenging the secession of Katchatheevu.

In 1980, he helped found the Bharatiya Janata Party (BJP) along with Atal Bihari Vajpayee, Lal Krishna Advani, SS Bhandari, Kushabhau Thakre and Jaganatha Rao Joshi.

[4] From 1980 to 1990, he helped the BJP expand in the four Southern states of Kerala, Tamil Nadu, Karnataka and Andhra Pradesh.

In 1993 he moved to Delhi at the request of L. K. Advani and set up the Intellectual Cells of the BJP on Economic, Defence and Foreign Affairs.

In 1998, Krishnamurthi contested the Lok Sabha election from South Chennai and lost by a very small margin.