Fangcheng may refer to:
Places in China
Fangcheng County (方城县), of Nanyang, Henan Fangcheng District (防城区), Fangchenggang, Guangxi Fangcheng, Fangchenggang (防城镇), town in and seat of Fangcheng District Fangcheng, Linyi (方城镇), town in Lanshan District, Linyi, Shandong Fangcheng, Xintai (放城镇), town in Shandong
Other
Fangcheng (mathematics), the eighth Chapter of the Chinese mathematical classic Jiuzhang suanshu (The Nine Chapters on the Mathematical Art) Fangcheng Fellowship, a Christian religious movement in China