Teresita Leonardo de Castro is a Filipina who served as the 24th chief justice of the Supreme Court of the Philippines; she was appointed by President Rodrigo Duterte on August 28, 2018. She assumed the vacated position once her predecessor, Maria Lourdes Sereno, was removed via a quo warranto petition ; making De Castro the de jure 24th chief justice, and the first female chief justice of the Supreme Court.

The chief justice of the Philippines presides over the Supreme Court and is the highest judicial officer of the government of the Philippines. As of April 5, 2021, the position is currently held by Alexander Gesmundo, who was appointed by President Rodrigo Duterte following the early retirement of his predecessor, Diosdado Peralta, in March 2021.