Ellen Perez (born 10 October 1995) is a tennis player from Australia. She has won three doubles titles on the WTA Tour, one doubles title on the WTA Challenger Tour, as well as two singles and 16 doubles titles on the ITF Circuit. Her career-high rankings in singles and doubles are 162 and 40, respectively, achieved in August 2019 and August 2020.

Known for an aggressive baseline game, McHale has been recognized by The New York Times for her “booming” groundstrokes and fast footwork. She has reached the third round of all four Grand Slam tournaments, and has represented the United States in Fed Cup and Olympic competitions. In September 2016, McHale won her first WTA title at the Japan Open. Christina is the daughter of John and Margarita McHale. Her father John is an Irish American, while her mother Margarita was born in Cuba. She resided at 56 Locust Avenue in Dumont, New Jersey until she was three years old. Her family lived in Hong Kong from the time she was three until she was eight, and she speaks a degree of Mandarin Chinese, along with fluent Spanish. In 2000, the McHale family returned to the United States and bought a home for $720,000 in Englewood Cliffs, New Jersey. In June 2006, she graduated from Upper School of the Englewood Cliffs Public Schools as the eighth-grade valedictorian.