Theodore Edward (Theodor Edvard) Cantor (1809 - 1860) was a Danish physician, zoologist and botanist. Cantor worked for the British East India Company. He made natural history collections in Penang and Malacca. He was the author of
- Notes respecting some Indian fishes (1839)
- General features of Chusan (1842)
- Catalogue of Malayan fishes (1850)
