Lanxi may refer to the following locations in China:

• Lanxi, Zhejiang ({{lang|zh-hans|兰溪市}}), county-level city of Jinhua
• Lanxi County ({{lang|zh-hans|兰西县}}), Suihua, Heilongjiang
  • Lanxi, Heilongjiang ({{lang|zh-hans|兰西镇}}; zh), town in and seat of Lanxi County
• Lanxi, Fujian ({{lang|zh-hans|蓝溪镇}}; zh), town in and subdivision of Shanghang County
• Lanxi, Yiyang ({{lang|zh-hans|兰溪镇}}; zh), a town in Heshan District, Yiyang, Hunan
• Lanxi, Hubei ({{lang|zh-hans|兰溪镇}}; zh), subdivision of Xishui County, Hubei
• Lanxi Yao Ethnic Township ({{lang|zh-hans|兰溪瑶族乡}}; zh), subdivision of Jiangyong County, Hunan

• Inferior ramus of the pubis
• Inferior rectal arteries
• Inferior rectal artery
• Inferior rectal nerve
• Inferior rectal nerves
• Inferior rectal vein
• Inferior rectal veins
• Inferior rectus
• Inferior renal capsule
• Inferior retinaculum
• Inferior saggital sinus
• Inferior sagittal
• Inferior sagittal sinus
• Inferior salivary nucleus
• Inferior salivatory nucleus
• Inferior sternopericardiac ligament
• Inferior striate vein
• Inferior striate veins
• Inferior suprarenal artery
• Inferior suprarenal branches
• Inferior surface of pancreas
• Inferior tarsus
• Inferior temporal
• Inferior temporal area 20
• Inferior temporal cortex