Jaywant Dalvi (14 August 1925 – 16 September 1994) was a prominent contemporary Marathi writer in Maharashtra.
He worked as an assistant editor at Marathi newspapers Prabhāt and Lokmānya, and later with USIS.
As part of USIS efforts to make good English literature available in other languages, Dalvi selected texts and able translators, and helped the cause.
He is best remembered for his dramas, and a humorous column on Marathi literary personalities which he wrote under the pseudonym: ThanthanpaaL.
Dalvi wrote fiction, plays, and screenplays for Marathi and Hindi movies.