Brandon McMullen (ব্র্যান্ডন ম্যাকমুলেন) is a South African-born Scottish cricketer. He made his international debut for Scotland in 2022. He is an all-rounder who bats right-handed and bowls right-arm medium pace.

McMullen was born on 18 October 1999 in Durban, South Africa. He attended Clifton Preparatory School and Hilton College where he captained the school cricket team.

In South Africa, McMullen played at under-19 level for KwaZulu-Natal Inland and Dolphins. He moved to Scotland in 2018 to play club cricket for Stirling County Cricket Club and regional cricket for Western Warriors.

In 2024, he was signed by Sudurpaschim Royals for the Nepal Premier League inaugural season.

After qualifying for Scotland on residency grounds, McMullen was called up to Scotland's senior squad for the 2022 ICC Men's T20 World Cup in Australia. McMullen made his One Day International (ODI) debut for Scotland against Namibia in December 2022, as part of the ICC Cricket World Cup League 2.

At the 2023 Cricket World Cup Qualifier in Zimbabwe, McMullen recorded his first five-wicket haul in ODI cricket with figures of 5/34 in a narrow victory over Ireland. He scored his maiden ODI century two matches later against Oman, finishing with 136 runs from 121 balls.

In May 2024, he was named in Scotland's squad for the 2024 ICC Men's T20 World Cup tournament. In May 2025, during the 2025 Netherlands Tri-Nation Series, McMullen became the fastest Scottish man to reach 1,000 ODI runs.