Meghann Shaughnessy (April 13, 1979 in Richmond, Virginia) is an American professional tennis player. She achieved a career-high singles ranking of #11 in 2001, and has won six WTA Tour singles titles. She is best known for her serve, which is one of the most powerful on tour, and has produced as many as 22 aces in a match.

Shaughnessy is coached by Rafael Font de Mora (managed by him since age 13 and coached by him for over 20 years). She is the niece of Boston Globe sports columnist Dan Shaughnessy.

Shaughnessy made her debut on the WTA Tour in 1996 at a tournament in Budapest, and broke into the top 100 in 1998. In 2000, Shaughnessy won her first WTA singles title at Beijing, defeating Iroda Tulyaganova in the final, and breaking into the top fifty. In her breakout year of 2001, Shaughnessy achieved a career-high singles ranking of #11, won the second singles title of her career at Quebec City, and reached the finals of Hamburg and her home tournament in Scottsdale. She also recorded wins over world number five Conchita Martínez, world number four Monica Seles, and world number two Venus Williams.