Willian Pacho (born 16 October 2001) is an Ecuadorian centre-back who currently plays for Paris Saint-Germain and the Ecuador national team. He rose to prominence with Independiente del Valle, winning the 2020 U-20 Copa Libertadores and the 2021 Ecuadorian league title before moving to Royal Antwerp, where he won the 2023 Belgian Cup. After a standout 2023-24 season with Eintracht Frankfurt, where he started 42 matches, he signed for PSG in August 2024 for a reported €40 million, becoming the club's first Ecuadorian player. In May 2025, he made history by starting in PSG's 5-0 Champions League final victory over Inter Milan, becoming the first Ecuadorian to win the competition. He scored his first career club goal in October 2025 during a 7-2 Champions League win over Bayer Leverkusen, cementing his status as a key defensive star.