See main article: 2018 Australian Open.
Gabriela Dabrowski and Mate Pavić won the mixed doubles tennis title at the 2018 Australian Open, defeating Tímea Babos and Rohan Bopanna in the final, 2–6, 6–4, [11–9]. They saved a championship point in the third-set tiebreak.[1]
Abigail Spears and Juan Sebastián Cabal were the defending champions, but lost in the quarterfinals to Babos and Bopanna.