Maximilian Breunig (born 14 August 2000) is a German professional footballer who plays as a forward for club 1. FC Magdeburg on loan from 1. FC Heidenheim.
On 16 May 2024, Breunig signed a three-year contract with Bundesliga club 1. FC Heidenheim, effective in July 2024.
On 1 September 2025, Breunig was loaned by 1. FC Magdeburg in 2. Bundesliga.
He is the older brother of fellow footballer Louis Breunig who also played for Würzburger Kickers.