| Dojo | Hall or room in which Judo is practiced | 
| Tatami | Judo mat | 
| Judogi | Judo suit | 
| Obi | Judo belt | 
| Judoka | A person who practices Judo | 
| Tori | Attacker (person performing a judo technique) | 
| Uke | Defender (person receiving a judo technique) | 
| Ukemi | Break falls | 
| Mae Mawari Ukemi | Forward rolling breakfall | 
| Yoko Ukemi | Side breakfall | 
| Ushiro Ukemi | Backward breakfall | 
| Mae Ukemi | Front break fall | 
| Tachi-waza | Standing techniques | 
| Ne-waza | Groundwork techniques | 
| Shime-waza | Strangle or choke techniques | 
| Kansetsu-waza | Arm lock techniques | 
| Kaesi-waza | Counter techniques | 
| Tokui-waza | Favourite technique | 
| Jigotai | Defence posture | 
| Shizintai | Natural posture | 
| Kuzushi | Breaking of balance prior to throw | 
| Randori | Free practice | 
| Uchi-komi | Turn in for a throw without throwing | 
| Kaka | Throw | 
| Shiai | Contest | 
| Kata | Formal display | 
| Joseki | Place in Dojo for seniors or VIP’s | 
| Kiyotsuke | (come to) attention | 
| Sensei | teacher / instructor | 
| Za-rei | Kneeling bow |