Nell Hopman and Harry Hopman were the defending champions and second seeds, but they lost in the quarterfinals.

In an all-unseeded final Margaret Wilson and John Bromwich defeated Nancye Wynne and Colin Long 6–3, 6–2, to win the mixed doubles tennis title at the 1938 Australian Championships.

Seeds

Dorothy Bundy / Don Budge (quarterfinals) Nell Hopman / Harry Hopman (quarterfinals) Thelma Coyne / Jack Crawford (semifinals) Dorothy Workman / Gene Mako (semifinals)

Draw

Finals

Earlier rounds

Top half

Bottom half

References

External links Sources for seedings