1909 Australasian Championships – Singles

Anthony Wilding defeated Ernie Parker 6–1, 6–3, 6–2 in the final to win the men's singles tennis title at the 1909 Australasian Championships. It was Wilding's second Australasian singles title after 1906. The event was held on the grass courts of the Zoological Gardens in Perth.

Key

 * Q = Qualifier
 * WC = Wild card
 * LL = Lucky loser
 * r = Retired