| Zhang Zhannan | |
| Native Name: | 张展南 |
| Native Name Lang: | zh-cn |
| Office: | Deputy Commander of the PLA Navy |
| Term Start: | June 2006 |
| Term End: | July 2011 |
| 1Blankname: | Commander |
| 1Namedata: | Wu Shengli |
| Predecessor: | Wang Shouye |
| Successor: | Liu Yi |
| Office1: | Commander of the North Sea Fleet |
| Term Start1: | June 2003 |
| Term End1: | May 2006 |
| Predecessor1: | Ding Yiping |
| Successor1: | Su Shiliang |
| Office2: | President of Dalian Naval Academy |
| Term Start2: | 1997 |
| Term End2: | 2000 |
| Predecessor2: | Wu Shengli |
| Successor2: | Zheng Baohua |
| Birth Place: | Huarong, Hunan, China |
| Party: | Chinese Communist Party |
| Alma Mater: | Dalian Naval Academy PLA Naval Command Academy PLA National Defence University |
| Serviceyears: | 1968−2011 |
| Rank: | Vice-Admiral |
Zhang Zhannan (; born 1948) is a retired vice-admiral (zhong jiang) of the People's Liberation Army Navy (PLAN) of China. He served as Deputy Commander of the PLAN, Commander of the North Sea Fleet, and President of Dalian Naval Academy.
Zhang Zhannan was born in 1948 in Huarong County, Hunan Province, and enlisted in the PLAN in 1968. He studied at Dalian Naval Academy, PLA Naval Command Academy, and PLA National Defence University.[1]
Zhang served as chief of staff of the Zhoushan Naval Base from 1994 to 1996, and deputy commander from 1996 to 1997. He was appointed president of Dalian Naval Academy in October 1997, and attained the rank of rear admiral in July 1998.[1]
Zhang became deputy chief of staff of the PLAN in July 2000. In June 2003, he was promoted to commander of the North Sea Fleet, and concurrently deputy commander of the Jinan Military Region. He was awarded the rank of vice-admiral a year later. In May 2006, he was appointed deputy commander of the PLAN. He retired from active service in July 2011.[1]