List of films in which its writer(s) received the National Film Award for Best Original Screenplay.

1967–1980

1981–2000

2001–present

Neelakanta (2001) Aparna Sen (2002) Goutam Ghose (2003) Manoj Tyagi and Nina Arora (2004) Prakash Jha, Manoj Tyagi and Shridhar Raghavan (2005) Abhijat Joshi, Rajkumar Hirani and Vidhu Vinod Chopra (2006) Feroz Abbas Khan (2007) Sachin Kundalkar (2008)
Original	P. F. Mathews and Harikrishna (2009) Vetrimaaran (2010) Nitesh Tiwari, Vikas Bahl, and Vijay Maurya (2011) Sujoy Ghosh (2012) P. Sheshadri (2013) Srijit Mukherji (2014) Juhi Chaturvedi and Himanshu Sharma (2015) Syam Pushkaran (2016) Sajeev Pazhoor (2017) Rahul Ravindran (2018)
Adapted	Gopal Krishan Pai and Girish Kasaravalli (2009) Anant Mahadevan and Sanjay Pawar (2010) Avinash Deshpande Nigdi (2011) Bhavesh Mandalia and Umesh Shukla (2012) Panchakshari (2013) Joshy Mangalath (2014) Vishal Bhardwaj (2015) Sanjay Krishnaji Patil (2016) Jayaraj (2017) Sriram Raghavan , Arijit Biswas, Yogesh Chandekar, Hemanth M. Rao and Pooja Ladha Surti (2018)
Dialogues	Pandiraj (2009) Sanjay Pawar (2010) Girish Kulkarni (2011) Anjali Menon (2012) Sumitra Bhave (2013) Vishal Bhardwaj (2014) Juhi Chaturvedi and Himanshu Sharma (2015) Tharun Bhascker (2016) Sambit Mohanty (2017) Churni Ganguly (2018)