| Haimen | |
| Native Name: | 海门镇 |
| Native Name Lang: | zh-cn |
| Settlement Type: | Town |
| Pushpin Map: | China Guangdong |
| Pushpin Map Caption: | Location in Guangdong |
| Coordinates: | 23.1933°N 116.6169°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Guangdong |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Shantou |
| Subdivision Type3: | District |
| Subdivision Name3: | Chaoyang |
| Unit Pref: | Metric |
| Area Total Km2: | 38.5 |
| Area Land Km2: | 27.8 |
| Area Water Km2: | 10.7 |
| Population Total: | 114300 |
| Population As Of: | 2005 |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Area Code: | 0754 |
Haimen is a town of Chaoyang District, Shantou, in the east of Guangdong province, China, and is situated on the South China Sea coast. It administers 16 villages, and in 2005, it had a population of about 114,300 residing in a total area of 38.5km2, although 10.7km2 of it is ocean.[1] In December 2011, it was the site of protests where thousands of demonstrators spoke out over plans to expand a coal-fired power plant in the town.[2]