Takashi Ono may refer to:
Takashi Ono (mathematician) (小野孝, 1928–2026), Japanese-American mathematician Takashi Ono (gymnast) (小野喬, born 1931), Japanese gymnast Takashi Ono (judoka) (小野卓志, born 1980), Japanese judoka (小野貴史, born 1971), Japanese composer (小野孝, born 1903), Japanese politician
See also Takashi Ohno, American politician