Takashi Ono (小野 卓志, Ono Takashi, born 25 June 1980) is a Japanese judoka[2] and the 2005 Asian Judo Championships gold medalist in the −81 kg category.

Ono is from Ishige, Ibaraki,[3] and has studied Judo alongside Keiji Suzuki since childhood.

[4] After graduating from Tsukuba University, he joined Ryotokuji Gakuen,[5] of which Yusuke Kanamaru, Tomoo Torii, and former Asian champion Yuta Yazaki are also members.

He is also well known for his Ōuchi gari (大内刈 major inside leg reap).

Despite his popularity, he lost his place in the 2012 Olympics; Japan instead chose Masashi Nishiyama for ‍–‍90 kg.