According to various perspectives of history, Greek as a civilization was very much advanced, across all the aspects of a social set up. They were the icon of all kinds of cultural activities for the people of the rest of the world, with special reference to the contribution it had in the development of rest of the European civilizations across various ages, starting from the Renaissance. As a result, in the field of literature, the aspects of their civilization were a potential influence. Many poets, especially in English literature drove inspiration from Greek civilization. John Keats, being the most influenced Romantic poet among English poets. His literary achievements were notable side of English poetry. It has been the pursuit of the critical minds of all the times since romantic poetry, the factors that contributed towards the influence of Greek customs, myths and legends in the poetry of John Keats. The main focus of this paper is the elements of ‘Hellenism’ in Keats’ poetry. Keywords: Greek civilization, European civilizations, Renaissance period, Greek customs, myths and legends etc.