Hans-Dieter Schmidt (born 9 January 1948) is a former German football player turned manager.
Schmidt's playing career – part of which he spent with Hannover 96 – ended early after a severe injury at the age of 23.
After spending a year with Eintracht Nordhorn, Schmidt joined VfB Oldenburg as manager and came in second place in the German amateur football championship in 1988.
He managed Egyptian top-flight team Baladeyet Al-Mahalla before joining Saudi Premier League side Al-Qadisiya Al Khubar.
Since the beginning of the 2008–09 season, Schmidt has been director of sports at sixth-tier side SC BW 94 Papenburg.