Sir Philip Oakley Fysh (1 March 1835 – 20 December 1919) was an Australian politician and merchant. He arrived in the colony of Tasmania in 1859. He later became a key merchant in Hobart. He served two terms as premier of Tasmania (1877–1878, 1887–1892). He became a leader of the colony's federation movement. He later won election to the new federal House of Representatives (1901–1910). He was also chosen to represent Tasmania in the first federal ministry under Edmund Barton. He was minister without portfolio (1901–1903) and Postmaster-General (1903–1904).