Luke Joseph Brooke-Smith (born 6 June 2008) is a New Zealand footballer who plays as a left winger for EFL Championship club Portsmouth and the New Zealand national team.

Brooke-Smith was born on 8 June 2008 in Whangārei, New Zealand, to an English father and Malawian mother. Growing up, he was a competitive BMX rider. A native of Northland region, he moved with his family to Cambridge at the age of eleven.

As a youth player, Brooke-Smith joined the RH3 Football Academy, before starting his career with Cambridge in 2023. In 2024, he signed for Hamilton Wanderers. The same year, he signed for Wellington Phoenix, where, at the age of 16 years and 199 days, he became the youngest New Zealand player to play in the A-League Men.

On 22 February 2025, Brooke-Smith scored Wellington Phoenix's only goal in a 6–1 defeat to Auckland FC in the New Zealand derby. The goal, his first for the club, made him the youngest goalscorer in Wellington Phoenix history at 16 years and 261 days old, beating the previous record set by Ben Waine.

On 28 July 2026, Brooke-Smith signed for EFL Championship club Portsmouth on a four-year contract for an undisclosed fee. Brooke-Smith became the second New Zealand footballer to play for the club after Brian Turner. Brooke-Smith made his debut in the first round of the EFL Cup, starting in a 3–1 defeat to West Ham United at the London Stadium.

Brooke-Smith made his international debut for New Zealand against Australia in a 3–1 loss on 9 September 2025 at Mount Smart Stadium, Auckland. Brooke-Smith came into the match in place of Sarpreet Singh in the 79th minute, and is the second youngest All Whites debutant in history, behind only Ceri Evans.

Brooke-Smith was named as part of the 21-player New Zealand U-20 squad for the 2025 FIFA U-20 World Cup that took place in Chile from September to October 2025. Brooke-Smith made three appearances and scored one goal in the tournament, with New Zealand exiting after the conclusion of the group stage.