Nicolas Gerald Gaetan Fleuriau Chateau (born May 21, 2002) is a Canadian soccer player who plays for League of Ireland Premier Division club Galway United.
Fleuriau Chateau played youth soccer with Capital United and West Ottawa SC.
In 2020, he committed to St. John's University to play for the men's soccer team. On April 10, 2021, he made his collegiate debut against the Georgetown Hoyas. During a spring game in 2022, he tore his ACL, causing him to miss the entire 2022 season. On August 28, 2023, he scored his first collegiate goals, netting a brace in a 2-2 draw with the Rutgers Scarlet Knights. He then scored the only goal in their home opener in the next match against the Monmouth Hawks, subsequently earned his first conference weekly honour for his three-goal week, being named to the Big East Conference Weekly Honor Roll. He earned another Weekly Honor Roll in October and also scored another two braces that season against the Columbia Lions and the Creighton Bluejays, the latter of which earned him Big East Offensive Player of the Week honours. At the end of the season, he was named to the All-Big East First Team, All-East Region Second Team, the Academic All-District Team, and a Second Team Academic All-American. He finished the 2023 season with 14 goals.
In 2023, he played with Manhattan SC in USL League Two.
At the 2024 MLS SuperDraft, he was selected in the third round (74th overall) by Vancouver Whitecaps FC. In March 2024, he signed with the second team, Whitecaps FC 2, in MLS Next Pro. During the 2024 season, he signed short-term loans with the first team on four occasions. He made his Major League Soccer debut on July 6, 2024 against CF Montréal. In September 2024, he signed a contract with Vancouver Whitecaps FC through the 2025 season, with options for 2026 and 2027.
In April 2025, he was loaned to Finnish Veikkausliiga club Vaasan Palloseura for the 2025 season. On May 2, Fleuriau Chateau scored his first Veikkausliiga goal, the winning goal in a 1âÂÂ0 home win over Ilves.
On 26 January 2026, he signed for League of Ireland Premier Division club Galway United.