Bal Phondke (born 22 April 1939) is the pen name of Dr Gajanan Phondke, a leading Marathi writer of science literature (fiction and non-fiction).
He is credited in part to have started the science fiction genre of writing in Marathi literature.
He worked as a nuclear biologist at the Bhabha Atomic Research Centre from 1962 to 1983.
After retirement, he served as a guide for various universities and also wrote science articles for several publications.
Bal Phondke has also published books on fun with mathematics.