Yalamanchili Satyanarayana Chowdary (born 2 June 1961), popularly known as Sujana Chowdary or Sujana Chowdary, is a Rajya Sabha member from the Bharatiya Janata Party.
He was the Minister of State for Science and Technology & Earth Sciences in the Government of India from 2014 to 2018.
He was an entrepreneur and headed the Hyderabad based Sujana Group of Industries before retiring from business to join politics.