Hans-Joachim Hecht (born 29 January 1939) is a German chess player and past Grandmaster (GM). Born in Luckenwalde, Brandenburg, his career highlights include competing in the Chess Olympiad seven times, representing West Germany from 1964 until 1980. He was also the country's representative in the European Team Championships from 1970 until 1980, where he won 1 gold medal in 1980. Hecht was awarded the title Doctor Honoris Causa by the Ecole des Sciences Morales et Politique of Paris, France.
Hecht was granted the International Master (IM) title in 1965 and International Grandmaster (GM) title in 1973. He won the West German Championship twice - in 1970 and 1978. Hecht retired from competitive play in 1979 but made a return several years later to win the World Senior Chess Championship in 2005.
His career shifted to chess journalism after his retirement. He served as the sports editor of the Tageszeitung newspaper and was the author of several books on chess. Hecht is considered one of the strong German players during his prime and has vanquished some of the era's top players, like Jan Timman and Lubomir Kavalek.