Dennis Slamar (born 8 September 1994) is a German footballer who plays as a defender for Carl Zeiss Jena.
Slamar joined the youth academy of Eintracht Braunschweig in 2012 from Hallescher FC. In 2015, he was promoted to the club's senior side in the 2. Bundesliga. However, he made no appearance for the team during the 2015–16 season. In September 2016, Slamar joined Carl Zeiss Jena.
On 24 June 2019 SG Sonnenhof Großaspach confirmed, that they had signed Slamar on a 2-year contract.
