See main article: 1977 Australian Open (December).
Vitas Gerulaitis defeated John Lloyd in the final, 6–3, 7–6, 5–7, 3–6, 6–2 to win the December edition of the men's singles tennis tournament at the 1977 Australian Open.[1]
Roscoe Tanner was the defending champion, but lost in the first round to Chris Lewis.
The seeded players are listed below. Vitas Gerulaitis is the champion; others show the round in which they were eliminated.
See main article: 1977 Australian Open (December) – Men's singles qualifying.