Jürgen Alzen (born 26 November 1962 in Kirchen, Rhineland-Palatinate) is a race car driver from Germany.

He drove one race in both the FIA GT Championship and the American Le Mans Series of 2001 for his own Alzen Porsche team.

Alzen finished the 2003 race in 4th outright and 1st in Class B driving a Porsche 996 GT3 S Cup.

Jürgen Alzen and his younger brother Uwe Alzen were driving also at the Nürburgring Nordschleife VLN Endurance racing series and 24 Hours Nürburgring, in 2003 to 2005 in their privately built Porsche 996.

Jürgen has won 29 Nürburgring Endurance Series(formerly VLN) races in his career, just one fewer than current record holder Olaf Manthey.