Sir Prabhashankar Dalpatram Pattani KCIE (Gujarati: સર પ્રભાશંકર પટ્ટણી) (15 April 1862 – 16 February 1938) was the prime minister or Diwan of Bhavnagar State in Gujarat, India. He was born in a Nagar Brahmin family in 1862 in Morbi. He was known for his forthrightness, diplomacy, and noble character. He was a close friend of Mahatma Gandhi.