Kintaro Okamura (岡村 金太郎, Okamura Kintarō; May 5, 1867 – August 21, 1935) was a Japanese botanist and educationalist.
Okamura was the author of important studies about seaweeds. He was also known for his educational books collection, the Ohraimono.
Okamura was the editor of two exsiccatae, namely An Album of Japanese Bryophyta and Algae Japonicae exsiccatae.