Dally Randriantefy (born 23 February 1977 in Antananarivo, Madagascar) is a former professional female tennis player.
Randriantefy has won seven singles and 3 doubles titles on the ITF circuit in her career.
On 11 April 2005, she reached her best singles ranking of world number 44.
On 6 May 2002, she peaked at world number 193 in the doubles rankings.
Her best results have been two semi-final appearance at the WTA Strasbourg tournament (a Tier III event) and WTA Acapulco (Tier III).
She retired from professional tennis after a first round loss at the 2006 Australian Open against Akgul Amanmuradova.
Randriantefy took part in 3 Olympic Games in Barcelona (1992), Atlanta (1996) and Athens (2004).
She was the Flag bearer of Madagascan Olympic Team in Atlanta.
Randriantefy is the best ranked Black African player of the Open era.