Rajshekhar Basu, (Bengali: রাজশেখর বসু) better known by the pen name Parashuram (16 March 1880 – 27 April 1960), was a Bengali chemist, author and lexicographer. He was chiefly known for his comic and satirical short stories, and is considered the greatest Bengali humorist of the 20th century. He was awarded the Padma Bhushan in 1956.