Penny Barg (born April 11, 1964) is a retired tennis player from the U.S. She is also known as Penny Barg-Mager.^[1]

During her career Penny Barg, a former champion of the Orange Bowl Junior Singles, won three WTA doubles titles. She also reached the doubles quarterfinals at Wimbledon and the US Open with her partner Beth Herr.

Result	W-L	Date	Tournament	Surface	Partner	Opponents	Score
Win	1–0	Aug 1987	Båstad, Sweden	Clay	Tine Scheuer-Larsen	Sandra Cecchini Patricia Tarabini	6–1, 6–2
Win	2–0	Sep 1989	Phoenix, U.S.	Hard	Peanut Louie Harper	Rosalyn Fairbank Elise Burgin	7–6, 7–6
Win	3–0	Oct 1989	Virginia Slims of Arizona	Hard	Peanut Louie Harper	Elise Burgin Rosalyn Fairbank	7–6, 7–6

• Penny Barg at the Women's Tennis Association
• Penny Barg at the International Tennis Federation

Sporting positions
Preceded by Susan Mascarin	Orange Bowl Girls' Singles Champion Category: 18 and under 1981	Succeeded by Carling Bassett