Klaus Decker (born 26 April 1952) is an East German former footballer who played as a defender, spending his entire senior career with 1.

He began to play football at BSG Traktor Diesdorf near his home town.

[1] In addition Decker who had learned the profession of a construction mechanic played in 51 FDGB-Pokal matches, scoring twice and winning the competition four times, in 1973, 1978, 1979 and 1983.

[2] As a youth player Decker played in the 1970 UEFA Junior Tournament for East Germany, winning the title in Scotland.

After his playing career, Decker worked as a business consultant in foreign trade.