Nadia Johnston (born October 23, 1977) is an Australian born beach tennis player and former professional player on the WTA Tour.

[1] Originally from the Queensland city of Maryborough, Johnston began competing on the ITF circuit in the late 1990s.

She took part in the qualifying draw for the 2001 Australian Open and reached her best singles ranking that year of 314 in the world.

Her professional tennis career was curtailed by a wrist injury.

[2] Johnston, who moved to New York in 2003 to coach tennis, began touring on the professional ITF Beach Tennis Tour in 2005, winning several national titles.