Siwan (Chinese: 寺湾; pinyin: Sìwān) is a town under the administration of Xichuan County, Henan, China. As of 2020, it administers Qianjin Residential Community (前进社区) and the following 29 villages:

• Shangjie Village (上街村)
• Qinjiagou Village (秦家沟村)
• Yuanlinghuai Village (园岭怀村)
• Dahuashan Village (大花山村)
• Dujiayao Village (杜家窑村)
• Laozhuang Village (老庄村)
• Xiawan Village (夏湾村)
• Yang'ao Village (杨凹村)
• Xiajie Village (下街村)
• Qianying Village (前营村)
• Xiying Village (西营村)
• Sunjiatai Village (孙家台村)
• Sunjiapu Village (孙家铺村)
• Bogeyu Village (鹁鸽峪村)
• Huoxingmiao Village (火星庙村)
• Gaowan Village (高湾村)
• Shangjiagou Village (上贾沟村)
• Danggang Village (党岗村)
• Qingliangsi Village (清凉寺村)
• Shuitianyu Village (水田峪村)
• Chenjiashan Village (陈家山村)
• Luogang Village (罗岗村)
• Laomiao Village (老庙村)
• Dujiahe Village (杜家河村)
• Huanglianshu Village (黄楝树村)
• Zhaohe Village (赵河村)
• Sanquangou Village (三泉沟村)
• Dayugou Village (大峪沟村)
• Liulingou Village (柳林沟村)