Tatsuo Kobayashi (小林龍生, Kobayashi Tatsuo, born 1951) is a Japanese web architect who specializes in international standardization.
After graduating from the university, he joined Shogakukan Inc. and started working as an editor.
In 1989, he moved to JustSystems Corporation, and got involved in product planning.
Setting his goal on the fusion of technology and lingual cultures, he established a supervising committee for promoting ATOK (Advanced Technology Of Kana-kanji Transfer), which is the trademark of JustSystems and is a kana-kanji conversion software.
Representing JustSystems, he has been a regular member at the Unicode Technical Committee to handle issues related to character sets.