| Sanjia Township | |
| Native Name Lang: | zh-Hans |
| Native Name: | 三甲乡 |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Hunan |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Type3: | County-level city |
| Subdivision Name3: | Lianyuan |
| Area Total Km2: | 83.4 |
| Population: | 45,000 |
| Population Density Km2: | auto |
| Coordinates: | 27.6581°N 111.6419°W |
| Pushpin Map: | Hunan |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location in Hunan |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Postal Code Type: | Postal code |
| Area Code: | 0738 |
Sanjia Township is a rural township in Lianyuan, Hunan Province, People's Republic of China.
The township is divided into 36 villages, the following areas: Dongshan Village, Yanmei Village, Baixi Village, Xiejia Village, Songbai Village, Caixi Village, Xiufeng Village, Luomajiang Village, Yangdong Village, Jinzhu Village, Dongxia Village, Zhuxin Village, Dongyan Village, Mabuqiao Village, Liuping Village, Tianjing Village, Moxi Village, Changjiang Village, Sanlian Village, Tongpen Village, Jianshanling Village, Shuzhushan Village, Meishuiling Village, Yangque Village, Tangjiayuan Village, Shetan Village, Heye Village, Shili Village, Zhangbai Village, Changrong Village, Erjia Village, Liujia Village, Sanjia Village, Xinwu Village, Yupin Village, and Yufeng Village (东山村、岩美村、白溪村、谢家村、松柏村、财溪村、秀峰村、落马江村、阳硐村、金竹村、硐下村、竹新村、硐岩村、马埠桥村、柳坪村、田井村、墨溪村、长江村、三联村、铜盆村、尖山岭村、实竹山村、湄水岭村、杨雀村、堂家园村、社坛村、荷叶村、十甲村、张白村、长荣村、二甲村、六甲村、三甲村、新屋村、玉屏村、玉峰村).