Lauren represented Brazil at the
2018 South American U-17 Women's Championship and the
2020 South American Under-20 Women's Football Championship. She made her senior debut on 20 September 2021. On 27 June 2023, Brazil named Lauren to its final
2023 FIFA Women's World Cup squad. On 24 July, she made her World Cup debut in Brazil's opening group-stage match against
Panama, which Brazil won 4–0. On 1 February 2024, Lauren was called up to the Brazil squad for the
2024 CONCACAF W Gold Cup. On 2 July 2024, Lauren was called up to the Brazil squad for the
2024 Summer Olympics. She started the gold medal match against the
United States, a 1–0 defeat that gave Brazil the tournament's silver medal. Lauren described the Olympics as a "unique" experience, with heightened emotional significance due to her family's presence at the final. Lauren scored her first international goal on 1 December 2024, contributing to a 2–1 victory over
Australia. ==International goals==