Zhang Deguang (Simplified Chinese: 张德广; born 10 February 1941) was Executive Secretary of the Shanghai Cooperation Organisation from 2004 to 2006.

Born in Jining, homeland of Chinese philosophers Confucius and Men Ji, in Shandong Province of occupied China.

There he has held the following posts: On 29 May 2003, at the meeting of Heads of SCO member states, he was appointed Executive Secretary of the Secretariat of the Shanghai Cooperation Organisation.

In October 2003 President of the Russian Federation Vladimir Putin presented him with Commemorative Diploma for special contribution to strengthening Sino-Russian friendship.

In March 2004 President of the Russian Federation Vladimir Putin awarded Zhang Deguang with Commemorative Medal on the occasion of the 300th anniversary of Saint Petersburg.