Pandurang Sadashiv Sane (Marathi: पांडुरंग सदाशिव साने) 24 December 1899 – 11 June 1950), also known as Sane Guruji (Guruji meaning "respected teacher") by his students and followers, was a Marathi author, teacher, social activist and freedom fighter from Maharashtra, India. He is referred to as the National Teacher of India.
