| Japanese leader | 15 |
| Japanese leader elected in 2006 | 31 |
| Japanese leader executed in 1948 | 32 |
| Japanese leader Hideki: 1885-1948 | 33 |
| Japanese leader Hirobumi | 24 |
| Japanese leader Hirobumi ___ | 28 |
| Japanese leader of old | 22 |
| Japanese leader of the 1960s | 28 |
| Japanese leader of WWII | 23 |
| Japanese leader: Abbr. | 22 |
| Japanese leaders of old | 23 |
| Japanese legislature | 20 |
| Japanese libation | 17 |
| Japanese links great Isao ___ | 29 |
| Japanese liquor | 15 |
| Japanese lounging robe | 22 |
| Japanese lute | 13 |
| Japanese lutes | 14 |
| Japanese luxury auto | 20 |
| Japanese magnate Morita | 23 |
| Japanese maker of watches and calculators | 41 |
| Japanese maritime designation | 29 |
| Japanese market index: Abbr. | 28 |
| Japanese market inits. | 22 |
| Japanese market: Abbr. | 22 |
| Japanese martial art | 20 |
| Japanese martial art with bamboo swords | 39 |
| Japanese masked drama | 21 |
| Japanese massage practice | 25 |
| Japanese mat | 12 |
| Japanese mat that contains "mat" backward | 51 |
| Japanese mats | 13 |
| Japanese mattress | 17 |
| Japanese mattresses | 19 |
| Japanese measure | 16 |
| Japanese measures | 17 |
| Japanese media hub city | 23 |
| Japanese medicine case | 22 |
| Japanese menu item | 18 |
| Japanese menu listing | 21 |
| Japanese mercenaries | 20 |
| Japanese mercenary | 18 |
| Japanese merchant ship | 22 |
| Japanese merchant ships | 23 |
| Japanese merchant vessel | 24 |
| Japanese merchant vessels | 25 |
| Japanese metal band that will audibly exhale? | 45 |
| Japanese metalers Lost ___ | 26 |
| Japanese metropolis | 19 |
| Japanese metropolis in "Godzilla Raids Again" | 55 |
| Japanese middle managers? | 25 |
| Japanese miniature tree | 23 |
| Japanese mobster | 16 |
| Japanese model | 14 |
| Japanese model since 1989 | 25 |
| Japanese model sold from 1970 to 2006 | 37 |
| Japanese monarch (abbr.) | 24 |
| Japanese monasteries | 20 |
| Japanese monastery | 18 |
| Japanese monetary subunit | 25 |
| Japanese monetary unit | 22 |
| Japanese money | 14 |
| Japanese money of account | 25 |
| Japanese monitor manufacturer | 29 |
| Japanese monster film: 1957 | 27 |
| Japanese moolah | 15 |
| Japanese motor company | 22 |
| Japanese motorcycle maker | 25 |
| Japanese motorcycles | 20 |
| Japanese mountain | 17 |
| Japanese movie monster | 22 |
| Japanese mushroom | 17 |
| Japanese mushrooms | 18 |
| Japanese musical drama | 22 |
| Japanese musical instrument | 27 |
| Japanese musical instruments | 28 |
| Japanese mustard | 16 |
| Japanese name | 13 |
| Japanese name for Korea | 23 |
| Japanese name of Japan | 22 |
| Japanese name tag | 17 |
| Japanese national capital | 25 |
| Japanese national park | 22 |
| Japanese national sport | 23 |
| Japanese native | 15 |
| Japanese native: Var. | 21 |
| Japanese natives | 16 |
| Japanese natives: Var. | 22 |
| Japanese noodle | 15 |
| Japanese noodle dish | 20 |
| Japanese noodle often served in broth | 37 |
| Japanese noodle product | 23 |
| Japanese noodle sometimes served with tempura | 45 |
| Japanese noodle soup | 20 |
| Japanese noodle variety | 23 |
| Japanese noodles | 16 |
| Japanese novelist Kobo ___ | 26 |
| Japanese one-pot meal | 21 |
| Japanese or Israeli | 19 |
| Japanese or Javanese | 20 |