| Office1: | 6th Chinese Ambassador to South Korea |
| Term Start1: | March 2010 |
| Term End1: | December 2013 |
| Predecessor1: | Cheng Yonghua |
| Successor1: | Qiu Guohong |
| Office2: | Director of the Office of the Chinese Foreign Ministry |
| Term Start2: | September 2007 |
| Term End2: | March 2010 |
| Successor2: | Zhang Ming |
| Office3: | Chinese Ambassador to Ireland |
| Term Start3: | November 2005 |
| Term End3: | September 2007 |
| Predecessor3: | Sha Hailin |
| Successor3: | Liu Biwei |
| Zhang Xinsen | |
| Native Name: | 张鑫森 |
| Native Name Lang: | zh |
| Birth Place: | Shanghai, China |
| Party: | Chinese Communist Party |
| Alma Mater: | Beijing Foreign Studies University Chinese Academy of Governance John F. Kennedy School of Government |
Zhang Xinsen (; born July 1953) is a Chinese diplomat and formerly the Chinese Ambassador to South Korea.[1]
Zhang was born in Shanghai, in July 1953. He graduated from Beijing Foreign Studies University. He also studied at Chinese Academy of Governance and John F. Kennedy School of Government as a part-time student.
In November 2005 he was promoted to become the Chinese Ambassador to Ireland, a position he held until September 2007.
In September 2007, he was appointed the director of the Office of the Chinese Foreign Ministry, he remained in that position until March 2010, when he was transferred to Seoul, capital of South Korea, and appointed the Chinese Ambassador.[2]