Vasant Dev (1929–1996) was an Indian writer, lyricist and screenwriter and a Hindi academic at Parle College in Mumbai. He worked in Hindi parallel cinema through the 1980s, working with directors like Shyam Benegal, Govind Nihalani and Mahesh Bhatt as a dialogue writer and lyricist. He is best known for "Saanjh Dhale Gagan Tale" sung by Suresh Wadkar, and "Mann Kyun Behka", a Lata Mangeshkar and Asha Bhosle duet in Utsav (1984) directed by Girish Karnad. He wrote plays and poetry in Marathi and was a Marathi-to-Hindi translator who translated many of Vijay Tendulkar's plays.
At the 32nd National Film Awards, he won the National Film Award for Best Lyrics for Saaransh (1984), "Andhiyara Gehraya Suna Pan Phir Aaya". Subsequently, at the 33rd Filmfare Awards, he won the Filmfare Award for Best Lyricist for song, "Mann Kyun Behka" in Utsav. In 1980s, for the television serial ‘’Bharat Ek Khoj’’ (Discovery of India), director Shyam Benegal asked Vasant Deo to translate Sanskrit hymns from Rigveda in Hindi. They were set to music by Vanraj Bhatia.