Lanshan () is a district of Linyi City, Shandong Province, China. It serves as the center of Linyi and is the location of the city's government and cultural sites such as the Yinqueshan Han Tombs Bamboo Slips Museum. It was formerly the Linyi County and the Linyi county-level city, before Linyi was upgraded to a prefecture-level city and its urban center was renamed as Lanshan District.
, this district is divided to 4 subdistricts and 10 towns.
Linyi railway station and Linyi North railway station are both located here.