1938 Australian Championships – Mixed doubles

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

 * 1) 🇺🇸 Dorothy Bundy / 🇺🇸 Don Budge (quarterfinals)
 * 2) 🇦🇺 Nell Hopman / 🇦🇺 Harry Hopman (quarterfinals)
 * 3) 🇦🇺 Thelma Coyne / 🇦🇺 Jack Crawford (semifinals)
 * 4) 🇺🇸 Dorothy Workman / 🇺🇸 Gene Mako (semifinals)