Lucas Lopes Beraldo (লুকাস বেরালদো) is a Brazilian professional footballer who plays as a centre-back or left-back for Ligue 1 club Paris Saint-Germain and the Brazil national team.

On 26 May 2022, Beraldo made his professional debut with São Paulo in a 1–0 Copa Sudamericana win over Peruvian club Ayacucho. On 24 September 2023, he won his first trophy with the club, the Copa do Brasil.

On 1 January 2024, Beraldo signed for Ligue 1 club Paris Saint-Germain for a reported fee of 20 million euros, signing a contract until June 2028. Two days later, he made his debut as a substitute in a 2–0 win over Toulouse in the Trophée des Champions, winning his first trophy with the club. On 13 March 2024, he scored his first PSG goal in a 3–1 win over Nice in the Coupe de France quarter-finals. His first goal in Ligue 1 came in a 4–1 victory over Lyon on 21 April 2024.

Beraldo is a Brazil youth international. He was a part of the under-20 team that won the 2022 Torneio Internacional Sub-20 do Espírito Santo.

On 1 March 2024, Beraldo was called up to the senior team for the first time for friendly matches against England and Spain. He debuted on 23 March 2024 in the former match.

Beraldo is son of the former football centre-back André Beraldo.