Dennis Rosin (born 27 June 1996) is a German professional footballer who plays as a midfielder for SV Drochtersen/Assel.
In June 2017, Rosin joined the Werder Bremen reserves. In May 2018, following Werder Bremen II's relegation from the 3. Liga, it was announced Rosin would be one of ten players to leave the club.
In August 2020, Rosin moved to Regionalliga Nord side Altona 93.