Stephanie Lynn Mabry (born October 23, 1979) is a former professional tennis player from the United States.

She was known as Stephanie Halsell during her junior career, but changed her surname to Mabry around the time she turned professional.

Born in Houston, Mabry won several major junior tournaments, including the Les Petit As and Orange Bowl.

[1] Mabry made her WTA Tour main draw debut as a 15-year old at the 1995 Lipton Championships and took Åsa Carlsson (Svensson) to a third set tiebreak in a first round loss.

[2] Competing as a professional, she reached a top ranking of 175 in the world in 1997, winning six ITF singles titles.