Rai Bahadur Ranada Prasad Saha, also known as R. P. Saha, was a Bengali businessman, entrepreneur, soldier, philanthropist, social worker, and humanitarian. He founded educational institutes like Bharateswari Homes, Kumudini College and Debendra College. On 7 May 1971, the collaborators of Pakistani occupation army abducted RP Saha and his son Bhavani Prasad Saha from Mirzapur and no news about their whereabout has been unearthed till now.

Rao Bahadur and Rai Bahadur, abbreviated R.B., was a title of honour bestowed during British rule in India to individuals for outstanding service or acts of public welfare to the Empire. From 1911, the title was accompanied by a medal called a Title Badge. Translated, Rao means "King", and Bahadur means "Brave". Bestowed mainly on Hindus, the equivalent title for Muslim and Parsi subjects was Khan Bahadur. For Sikhs it was Sardar Bahadur.