Catarina Cantanhede Melônio Macário (born October 4, 1999) is a professional soccer player who plays as a midfielder or forward for Women's Super League club Chelsea.

Macario was born in São Luís, Maranhão, Brazil, to Ana Maria Cantanhede and José Melônio Macário.

In 2011, at the age of 12 and without speaking any English, Macario relocated with her father and brother to San Diego, California, in order to pursue her dream of playing soccer.

While playing for the San Diego Surf as a youth player, she broke the all-time goalscoring record in the ECNL with 165 goals.

[12] On January 4, 2019, Macario won the MAC Hermann Trophy, awarded to the nation's top female and male players.

[15][16] In her junior year, Macario was the winner of the Honda Sports Award, given to the nation's top female collegiate soccer player.

[22] She made her debut for Lyon in the Division 1 Féminine on February 6, 2021, coming on as a substitute in the 37th minute for Amandine Henry in a 2–1 win against Montpellier.

[25] Macario scored her first goal 6 minutes into her debut for Chelsea on March 3, 2024, during a WSL game against Leicester City after returning from an ACL injury she got in June 2022.

[35] On January 18, 2021, Macario debuted for the United States, coming in the half-time of a friendly match against Colombia,[36] thus becoming the first naturalized citizen ever to play for the US senior women's team.

[42] Despite declaring herself a fan of Marta, Macario stated that her favorite soccer player is American former forward Mia Hamm.