Manohar Shankar Oak (Devanagari: मनोहर शंकर ओक) (May 27, 1933 – May 11, 1993) was a Marathi poet, novelist, and translator from Maharashtra, India. Oak led a Bohemian life style. An influence of English poets like Allen Ginsberg can be discerned in his poetry. The background of Mumbai metropolis often appears in his poems. According to critique Poet SHRIDHAR TILVE he developed his own meters of free verse in poems like HE PRIYATAM ANDHAR and marathisised the sanskrut wordification in such a style that it has changed the flavour of Marathi poetic language.