| Tajima Chōyū | |
| Native Name: | 田島 朝由 |
| Native Name Lang: | ja |
| Office: | sanshikan of Ryukyu |
| Term Start: | 1710 |
| Term End: | 1716 |
| Predecessor: | Kōchi Ryōshō |
| Successor: | Katsuren Seiyū |
| Birth Date: | 17 May 1655 |
| Blank1: | Childhood name |
| Blank2: | Chinese name |
| Data2: | Shō Genryō (向 元良) |
| Blank3: | Rank |
| Data3: | Ueekata |
| Parents: | Okuma Chōjū (father) |
, also known by his Chinese style name, was a bureaucrat of the Ryukyu Kingdom.[1]
He was the eldest son of Okuma Chōjū (Japanese: 奥間 朝充), and was also a grandson of Urasoe Chōshi.[2] In 1703, King Shō Tei established the in order to compiled an official chorography of Ryukyu Kingdom. Tajima was appointed as the first, the magistrate of this bureau.[3] He compiled the earliest and most voluminous regional gazetteer, Ryūkyū-koku yurai-ki, and dedicated it to King Shō Kei in 1713.[4]
Tajima served as a member of Sanshikan from 1710 to 1716.[5]