| Hideaki Ohba | |
| Native Name: | 大場秀章 |
| Native Name Lang: | jp |
| Birth Date: | 14 July 1943 |
use both this parameter and |birth_date to display the person's date of birth, date of death, and age at death) -->| death_place = | death_cause = | body_discovered = | resting_place = | resting_place_coordinates = | burial_place = | burial_coordinates = | monuments = | nationality = | other_names = | siglum = | citizenship = Japan| education = | alma_mater = Tokyo University of Agriculture| occupation = | years_active = | era = | employer = Tohoku University
University of Tokyo| organization = | known_for = Plant taxonomy, botanical cultural history| notable_works = | style = | height = | television = | title = | term = | predecessor = | successor = | party = | movement = | opponents = | boards = | criminal_charges = | criminal_penalty = | criminal_status = | spouse = | partner = | children = | parents = | mother = | father = | relatives = | family = | callsign = | awards = | website = | module = | module2 = | module3 = | module4 = | module5 = | module6 = | signature = | signature_size = | signature_alt = | footnotes = }}
Hideaki Ohba (or Ōba) (Japanese: 大場秀章) (born 1943) is a Japanese botanist, pteridologist, and taxonomist. He is a professor emeritus at the University of Tokyo.