| 2012-13 SEHA League season | |
| League: | SEHA League |
| Sport: | Handball |
| Duration: | 12 September 2012 - 2013 |
| No Of Teams: | (2 teams) (2 teams) (1 team) (1 team) (1 team) |
| Season: | Regular season |
| Season Champs: |  Meshkov Brest |
| Playoffs: | Final Four |
| Finals Champ: | Zagreb CO |
| Finals Runner-Up: |  Vardar |
| Seasonslist: | SEHA League#Winners |
| Seasonslistnames: | SEHA League |
| Prevseason Year: | 2011–12 |
| Nextseason Year: | 2013–14 |
The 2012–13 season is the 2nd season of the SEHA League and 10 teams from Bosnia and Herzegovina, Croatia, Macedonia, Montenegro, Slovakia and Belarus participate in it.
| Country | Teams | Team | City | Venue (Capacity) |
|---|---|---|---|---|
| align=center rowspan=2 | 1 | |||
| Universal Sports Complex Victoria (3,740) | ||||
| align=center rowspan=4 | 3 | |||
| Gradska sportska dvorana Ljubuški (4,000) | ||||
| Sportska dvorana Borik (3,500) | ||||
| Dvorana srednjoškolskog centra Doboj (700) | ||||
| align=center rowspan=3 | 2 | |||
| Arena Zagreb (15,000) | ||||
| Sportska dvorana kralja Tomislava (2,500) | ||||
| align=center rowspan=2 | 1 | |||
| Sala RK Lovćen (1,800) | ||||
| align=center rowspan=3 | 2 | |||
| SRC Kale (2,500) | ||||
| Avtokomanda (2,000) | ||||
| align=center rowspan=2 | 1 | |||
| City Hall Prešov (4,000) | ||||
| Team | Pld | W | D | L | GF | GA | Diff | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 18 | 13 | 1 | 4 | 568 | 518 | +50 | 40 | ||
| 2 | 18 | 13 | 0 | 5 | 471 | 397 | +74 | 39 | ||
| 3 | 18 | 11 | 3 | 4 | 540 | 462 | +78 | 36 | ||
| 4 | 18 | 11 | 2 | 5 | 516 | 457 | +59 | 35 | ||
| 5 | 18 | 11 | 2 | 5 | 513 | 471 | +42 | 35 | ||
| 6 | 18 | 9 | 2 | 7 | 497 | 523 | –26 | 29 | ||
| 7 | 18 | 8 | 1 | 9 | 501 | 502 | -1 | 25 | ||
| 8 | 18 | 3 | 2 | 13 | 439 | 530 | –91 | 11 | ||
| 9 | 18 | 3 | 0 | 15 | 417 | 498 | –81 | 9 | ||
| 10 | 18 | 1 | 1 | 16 | 449 | 553 | –104 | 4 |
| Qualified for Final four |
In the table below the home teams are listed on the left and the away teams along the top.
| width=60 |  BOR | width=60 | IZV | width=60 |  LOV | width=60 | MET | width=60 | MES | width=60 | NEX | width=60 | SLO | width=60 |  TAT | VAR | width=60 | ZAG | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Borac Banja Luka | 21–20 | 28–28 | 20–30 | 28–33 | 19–20 | 26–25 | 30-36 | 22-28 | 26–35 | ||||||||||
| Izviđač | 22-29 | 31–27 | 19-27 | 27–31 | 30–23 | 33–26 | 28–31 | 21-34 | 29–31 | ||||||||||
| Lovćen | 31–27 | 24–22 | 22-24 | 29–29 | 28–27 | 33-30 | 30–29 | 23–21 | 30-28 | ||||||||||
| Metalurg | 31–19 | 28–18 | 32–19 | 28-26 | 29–30 | 28-18 | 30–19 | 26-21 | 33–26 | ||||||||||
| Meshkov Brest | 33–26 | 34–28 | 33-30 | 28-26 | 30-25 | 38-28 | 34–29 | 30–27 | 30–25 | ||||||||||
| Nexe Našice | 33–25 | 27-25 | 29–30 | 27–28 | 36–27 | 27–25 | 28–25 | 27–27 | 18-28 | ||||||||||
| Sloga | 25-25 | 29-18 | 29–33 | 23–26 | 23–37 | 26–32 | 29-31 | 27–35 | 21–27 | ||||||||||
| Tatran Prešov | 29–22 | 10-0 | 36-29 | 10–0* | 40–36 | 40-36 | 33–26 | 28-28 | 26–26 | ||||||||||
| Vardar PRO | 36–25 | 41–23 | 38-29 | 27–26 | 34–27 | 27-25 | 36–22 | 29–33 | 26–23 | ||||||||||
| CO Zagreb | 35-21 | 25–23 | 30–22 | 25-19 | 29-32 | 33–31 | 35–17 | 30–28 | 25–25 |
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