The renowned personality is conferred with the award for his "critical thinking, holding religious dogma up to scrutiny, advancing human progress and humanist values."
On Sunday, his wife and actor Shabana Azmi, shared the information on Twitter.
Meanwhile, Bollywood stars Anil Kapoor and Dia Mirza also congratulated the veteran writer through social media posts.
"Knowing that Richard Dawkins has been your hero since you read 'The Selfish Gene', the prestigious Richard Dawkins Award must be extra special for you @Javedakhtarjadu Saab! It's a truly incredible honour! Congratulations," Kapoor wrote.
"Javed Akhtar Saab has won the prestigious Richard Dawkins Award 2020 for critical thinking, holding religious dogma upto scrutiny, advancing human progress and humanist values. He is the only Indian to have won this award! @Javedakhtarjadu Congratulations! You make us proud," Mirza wished the lyricist.
Javed who has written the screenplay for iconic movies like 'Deewar, Zanjeer', and 'Sholay' along with Salim Khan, has earlier been awarded Padma Shri (1999), Padma Bhushan (2007).