Sam Marshall (born 19 January 2006) is an Australian rules footballer who plays for the Brisbane Lions in the Australian Football League (AFL). He was a premiership player in his first league season in 2025, in what was his 11th AFL match.
Marshall was born in Buderim, Queensland and raised in the Sunshine Coast region. He first played football for the Kawana Park Eagles in the local Sunshine Coast AFL junior league. Marshall was an all-round sportman in his younger years and excelled in athletics, cross country, tennis, basketball, and surf lifesaving, but Australian rules football was his highest priority and he received a sports scholarship to attend the prestigious Brisbane Boys' College following selection in the Queensland schoolboys state team that competed in the 2018 under-12 national championships and was subsequently invited to participate in the Brisbane Lions academy program at 12 years of age.
At 15 years old, he received a football scholarship to attend Melbourne Grammar School and relocated to Victoria to begin boarding, where he played representative football with Sandringham Dragons in the Talent League. He was named best afield in the Dragons' 2024 premiership, recording 28 disposals and two goals in the win. He represented Allies at the 2024 AFL Under 18 Championships, averaging 27 disposals and subsequently being named in the tournament's All-Australian team.
Marshall was drafted by Brisbane with the club's second selection and the 25th pick overall in the 2024 AFL draft. As a member of the Lions Academy zone he was secured by the club under rules that allowed them to match a bid placed by .
Marshall made his debut in round 6 of the 2025 in a loss to at The Gabba. He was a Premiership player that season in the Lions' grand final win over , in what was his 11th AFL match at the age of 19.
Updated to the end of the 2025 season.
|- | scope=row bgcolor=F0E68C | 2025<sup>#</sup> || || 20 | 11 || 1 || 1 || 64 || 59 || 123 || 27 || 15 || 0.1 || 0.1 || 5.8 || 5.4 || 11.2 || 2.5 || 1.4 || 0 |- class=sortbottom ! colspan=3 | Career ! 11 !! 1 !! 1 !! 64 !! 59 !! 123 !! 27 !! 15 !! 0.1 !! 0.1 !! 5.8 !! 5.4 !! 11.2 !! 2.5 !! 1.4 !! 0