Taishan may refer to:

• Mount Tai or Taishan (泰山), Shandong, China
• Taishan District, Tai'an (泰山区), named after the Mount Tai, a district in Tai'an, Shandong, China
• Taishan, Guangdong (台山市), a county-level city of Jiangmen, Guangdong, China
  • Greater Taishan Region (台山地区), a region in Guangdong consisting of the cities of Taishan, Kaiping, Xinhui, Jiangmen, Enping and Heshan
  • Taishan railway station (Guangdong) (台山站)
  • Taishan Nuclear Power Plant (台山核电站) in Taishan, Guangdong province, China
• Taishan District, New Taipei (泰山區), a district in New Taipei, Taiwan; was known as "Taishan Township" until 2010

• Taishan Subdistrict, Nanjing (泰山街道), in Pukou District, Nanjing, Jiangsu
• Taishan Subdistrict, Xuzhou (泰山街道), in Quanshan District, Xuzhou, Jiangsu
• Taishan Subdistrict, Jilin City (泰山街道), in Fengman District, Jilin City, Jilin Province

• Taishan, Henan (太山), in Huojia County, Henan
• Taishan, Baicheng (太山), in Da'an, Jilin

• Taishan Township, Gansu (泰山乡), in Liangdang County, Gansu
• Taishan Township, Jiangxi (泰山乡), in Anfu County, Jiangxi

• Sacrifice to Taishan
• Daishan County, Zhejiang, China
• Taishanese, a dialect of Yue Chinese and a sister dialect of Guangzhou Cantonese
• Taishanese people, the people who reside in or have ancestry in the Greater Taishan Region
• Shandong Taishan F.C., a Chinese football club based in Jinan, Shandong
• Taishan Commandery, historical commandery of China
• Tai Shan (disambiguation)
• Taishang (disambiguation)