Members of the New South Wales Legislative Assembly who served in the ninth parliament of New South Wales held their seats from 1877 to 1880. The 1877 election was held between 24 October and 12 November 1877 with parliament first meeting on 27 November 1877. There were 73 members elected for 53 single member electorates, 6 two member electorates and 2 four member electorates. Premiers during this parliament were Sir John Robertson until 18 December 1877, James Farnell from 18 December 1877 until 21 December 1878 and Sir Henry Parkes from 21 December 1878. The Speaker was Sir George Allen.