| Countries: |  Japan |
| Date: | 30–31 March 2013 |
| Matches: | 45 |
| Tries: | 245 |
| Top Point Scorer: | Dan Norton (50 points) |
| Top Try Scorer: | Dan Norton (10 tries) |
| Prevseason: | 2012 |
| Nextseason: | 2014 |
The 2013 Japan Sevens was the second edition of the tournament and the seventh tournament of the 2012–13 IRB Sevens World Series. The host stadium was the Chichibunomiya Rugby Stadium.
South Africa won the title by defeating New Zealand 24–19 in the final.[1]
The teams were divided into pools of four teams, who played a round-robin within the pool. Points were awarded in each pool on a different schedule from most rugby tournaments—3 for a win, 2 for a draw, 1 for a loss.The top two teams in each pool advanced to the Cup competition. The four quarterfinal losers dropped into the bracket for the Plate. The Bowl was contested by the third- and fourth-place finishers in each pool, with the losers in the Bowl quarterfinals dropping into the bracket for the Shield.
The participating teams are:[2]
The draw was made on 24 March 2013.[3]
| Teams | Pld | W | D | L | PF | PA | +/− | Pts | |
|---|---|---|---|---|---|---|---|---|---|
| 3 | 3 | 0 | 0 | 80 | 24 | +56 | 9 | ||
| 3 | 2 | 0 | 1 | 66 | 36 | +30 | 7 | ||
| 3 | 1 | 0 | 2 | 29 | 73 | −44 | 5 | ||
| 3 | 0 | 0 | 3 | 21 | 63 | −42 | 3 |
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| Teams | Pld | W | D | L | PF | PA | +/− | Pts | |
|---|---|---|---|---|---|---|---|---|---|
| 3 | 2 | 1 | 0 | 36 | 22 | +14 | 8 | ||
| 3 | 1 | 1 | 1 | 46 | 55 | −9 | 6 | ||
| 3 | 1 | 0 | 2 | 65 | 51 | +14 | 5 | ||
| 3 | 1 | 0 | 2 | 36 | 55 | −19 | 5 |
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| Teams | Pld | W | D | L | PF | PA | +/− | Pts | |
|---|---|---|---|---|---|---|---|---|---|
| 3 | 3 | 0 | 0 | 89 | 24 | +65 | 9 | ||
| 3 | 1 | 0 | 2 | 50 | 55 | −5 | 5 | ||
| 3 | 1 | 0 | 2 | 44 | 55 | −11 | 5 | ||
| 3 | 1 | 0 | 2 | 26 | 75 | −49 | 5 |
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| Teams | Pld | W | D | L | PF | PA | +/− | Pts | |
|---|---|---|---|---|---|---|---|---|---|
| 3 | 3 | 0 | 0 | 74 | 49 | +25 | 9 | ||
| 3 | 2 | 0 | 1 | 71 | 45 | +26 | 7 | ||
| 3 | 1 | 0 | 2 | 71 | 64 | +7 | 5 | ||
| 3 | 0 | 0 | 3 | 21 | 79 | −58 | 3 |
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