- 西门子 xīménzǐ SiemensA German surname; specifically, the German engineer and inventor Ernst Werner von Siemens (1816–1892) or the engineering and electronics company he founded.
- 西门庆 xīménqìng Ximen QingCharacter in the classic novels [[金瓶梅|金瓶梅|jin1 ping2 mei2]] and [[水浒传|水滸傳|shui3 hu3 zhuan4]], notorious as a wealthy, dissolute person and a lecher.
- 西门子公司 xīménzǐgōngsī SiemensSiemens AG; a large German industrial manufacturing and technology conglomerate
- 西门豹 xīménbào Ximen BaoStatesman and hydraulic engineer of the State of [[魏国|魏國|wei4 guo2]] during the Warring States period, famous for ending the corrupt local custom of sacrificing young women as brides for the river god and for building major irrigation canals.
- 西门子马丁炉 xīménzimǎdīnglú open-hearth furnaceSiemens-Martin furnace, a metallurgical furnace used for steelmaking with a shallow hearth and heat recovery system
- 西门町 xīméntǐng XimendingXimending; a prominent commercial and shopping district in the Wanhua District of Taipei, Taiwan
- 西门商业区 xīménshāngyèqū Ximen commercial districta major shopping and entertainment district in Wanhua District, Taipei, also known as Ximending