Bidit Lal Das (commonly known as Potol Babu; 15 June 1938 – 8 October 2012) was a Bangladeshi folk singer and composer.
He composed notable Bengali folk songs including "Shadher Lau Banailo Morey Boiragi", "Kare Dekhabo Moner Dukkho Go Ami Buk Chiria", "Sylhet Prothom Ajan Dhoni Babai Diachhey", "Pran Kande More Mon Kande Ray" and "Moriley Kandishna Amar Dai".