The All-Japan judo championships (全日本柔道選手権大会, Zennihon jūdō senshuken taikai) is a judo tournament held every year in Japan.

The men's tournament is held in Nippon Budokan on 29 April and the women's tournament (dubbed "Empress cup All-Japan women's Judo championships") is held in Yokohama Cultural Gymnasium in April.

The Kodokan and All Japan Judo Federation sponsor the championship.

Weight distinction is held as All-Japan Selected Judo Championships (全日本選抜柔道体重別選手権大会, Zennihon senbatsu jūdō taijūbetsu senshuken taikai) and Kodokan Cup (講道館杯, Kōdōkan hai) particularly.

Since 2011 All Japan Judo Championship is fought with International rules.