The 2006–07 Liga III season was the 51st season of Liga III, the third tier of the Romanian football league system. It was the first in this format (six series of 18 teams each).
The winners of each division got promoted to the 2007–08 Liga II season. There were also two playoff tournaments held at neutral venues involving the second placed teams, one with those from series 1, 2 and 3, the other with those from series 4, 5, and 6. The winners of the playoffs also got promoted to the 2007–08 Liga II season.
The bottom three from each division were relegated at the end of the season to the county football leagues (Liga IV). From the 15th placed teams, another three were relegated. To determine these teams, separate standings were computed, using only the games played against clubs ranked 1st through 14th.
Standings
Seria I
Source: 
[1](C) Champions; 
(P) Promoted; 
(R) Relegated
Seria II
Source: 
[2](C) Champions; 
(O) Play-off winners; 
(P) Promoted; 
(R) Relegated
Seria III
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or relegation | 
| 1 | Concordia Chiajna (C, P) | 32 | 21 | 7 | 4 | 89 | 37 | +52 | 70 | Promotion to Liga II | 
| 2 | Juventus București (Q) | 32 | 20 | 5 | 7 | 56 | 21 | +35 | 65 | Qualification to promotion play-offs | 
| 3 | Buftea | 32 | 17 | 6 | 9 | 55 | 42 | +13 | 57 |  | 
| 4 | 1 Decembrie | 32 | 16 | 8 | 8 | 45 | 39 | +6 | 56 | 
| 5 | Astra Ploiești | 32 | 15 | 7 | 10 | 48 | 40 | +8 | 52 | 
| 6 | Predeal | 32 | 15 | 5 | 12 | 46 | 33 | +13 | 50 | 
| 7 | Conpet Ploiești | 32 | 15 | 5 | 12 | 55 | 32 | +23 | 50 | 
| 8 | Aversa București | 32 | 14 | 5 | 13 | 52 | 44 | +8 | 47 | 
| 9 | Ghimbav | 32 | 14 | 4 | 14 | 54 | 59 | −5 | 46 | 
| 10 | Rapid București II | 32 | 12 | 10 | 10 | 31 | 28 | +3 | 46 | 
| 11 | Tricolorul Breaza | 32 | 12 | 9 | 11 | 39 | 42 | −3 | 45 | 
| 12 | Electrosid Titu | 32 | 10 | 13 | 9 | 33 | 40 | −7 | 43 | 
| 13 | Petrolul Ploiești II | 32 | 13 | 4 | 15 | 41 | 52 | −11 | 43 | 
| 14 | Clinceni | 32 | 9 | 9 | 14 | 32 | 51 | −19 | 36 | 
| 15 | Petrolul Târgoviște (R) | 32 | 4 | 8 | 20 | 25 | 51 | −26 | 20 | Relegation to Liga IV | 
| 16 | Avântul Mâneciu (R) | 32 | 5 | 5 | 22 | 32 | 70 | −38 | 20 | 
| 17 | Flacăra Moreni (R) | 32 | 4 | 2 | 26 | 22 | 74 | −52 | 14 | 
| 18 | Unirea Mărăcineni (D) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0[a] | Withdrew | 
Source: 
[3](C) Champions; 
(D) Disqualified; 
(P) Promoted; 
(Q) Qualified for the phase indicated; 
(R) Relegated
Notes:
- ^ Unirea Mărăcineni withdrew from the championship in the first part of the season and all its results were canceled.
 
Seria IV
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or relegation | 
| 1 | Severnav Drobeta-Turnu Severin (C, P) | 34 | 26 | 3 | 5 | 69 | 29 | +40 | 81 | Promotion to Liga II | 
| 2 | Minerul Motru | 34 | 23 | 5 | 6 | 75 | 21 | +54 | 74 | Qualification to promotion play-offs | 
| 3 | Minerul Mehedinți | 34 | 20 | 6 | 8 | 62 | 29 | +33 | 66 |  | 
| 4 | Alro Slatina | 34 | 20 | 6 | 8 | 44 | 18 | +26 | 66 | 
| 5 | EMC Rovinari | 34 | 17 | 4 | 13 | 48 | 45 | +3 | 55 | 
| 6 | Minerul Mătăsari | 34 | 16 | 5 | 13 | 34 | 31 | +3 | 53 | 
| 7 | Armata Craiova | 34 | 14 | 7 | 13 | 49 | 41 | +8 | 49 | 
| 8 | Dunărea Calafat | 34 | 15 | 3 | 16 | 42 | 53 | −11 | 48 | 
| 9 | Rova Roșiori | 34 | 12 | 7 | 15 | 32 | 43 | −11 | 43 | 
| 10 | Gaz Metan Podari | 34 | 11 | 9 | 14 | 38 | 43 | −5 | 42 | 
| 11 | Petrom Chimia Craiova | 34 | 11 | 8 | 15 | 32 | 43 | −11 | 41 | 
| 12 | Oltul Slatina | 34 | 11 | 8 | 15 | 52 | 49 | +3 | 41 | 
| 13 | Progresul Corabia | 34 | 11 | 7 | 16 | 43 | 45 | −2 | 40 | 
| 14 | Vulcan | 34 | 11 | 6 | 17 | 22 | 39 | −17 | 39 | 
| 15 | Unirea Costești | 34 | 11 | 5 | 18 | 39 | 59 | −20 | 38 | 
| 16 | Petrolul Țicleni (R) | 34 | 8 | 6 | 20 | 32 | 71 | −39 | 30 | Relegation to Liga IV | 
| 17 | Minerul Uricani (R) | 34 | 8 | 6 | 20 | 31 | 67 | −36 | 30 | 
| 18 | Florea Voicilă Alexandria (R) | 34 | 7 | 7 | 20 | 34 | 52 | −18 | 28 | 
Source: 
[4](C) Champions; 
(P) Promoted; 
(R) Relegated
Seria V
Source: 
[5](C) Champions; 
(O) Play-off winners; 
(P) Promoted; 
(R) Relegated
Seria VI
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or relegation | 
| 1 | Liberty Salonta (C, P) | 34 | 24 | 6 | 4 | 84 | 24 | +60 | 78 | Promotion to Liga II | 
| 2 | Luceafărul Lotus Băile Felix | 34 | 20 | 7 | 7 | 50 | 25 | +25 | 67 | Qualification to promotion play-offs | 
| 3 | Someșul Satu Mare | 34 | 19 | 6 | 9 | 70 | 36 | +34 | 63 |  | 
| 4 | Calor Timișoara | 34 | 18 | 6 | 10 | 74 | 32 | +42 | 60 | 
| 5 | Unirea Sânnicolau Mare | 34 | 17 | 8 | 9 | 54 | 41 | +13 | 59 | 
| 6 | Timișul Albina | 34 | 17 | 6 | 11 | 53 | 41 | +12 | 57 | 
| 7 | Voința Macea | 34 | 15 | 8 | 11 | 61 | 42 | +19 | 53 | 
| 8 | Tim Giroc Timișoara | 34 | 15 | 7 | 12 | 52 | 43 | +9 | 52 | 
| 9 | UM Timișoara | 34 | 14 | 7 | 13 | 57 | 38 | +19 | 49 | 
| 10 | ACU Arad | 34 | 13 | 7 | 14 | 42 | 50 | −8 | 46 | 
| 11 | Bihorul Beiuș | 34 | 14 | 2 | 18 | 52 | 72 | −20 | 44 | 
| 12 | Ineu | 34 | 13 | 5 | 16 | 50 | 55 | −5 | 44 | 
| 13 | Victoria Nădlac | 34 | 12 | 8 | 14 | 44 | 49 | −5 | 44 | 
| 14 | Gloria CTP Arad | 34 | 13 | 4 | 17 | 45 | 55 | −10 | 43 | 
| 15 | Olimpia Satu Mare (R) | 34 | 10 | 12 | 12 | 41 | 49 | −8 | 42 | Relegation to Liga IV | 
| 16 | Victoria Carei (R) | 34 | 9 | 6 | 19 | 35 | 58 | −23 | 33 | 
| 17 | Fink Fenster Petrești (R) | 34 | 3 | 5 | 26 | 15 | 103 | −88 | 14 | 
| 18 | Florența Still Model Odoreu (R) | 34 | 3 | 4 | 27 | 21 | 87 | −66 | 13 | 
Source: 
[6](C) Champions; 
(P) Promoted; 
(R) Relegated
Playoffs
Group 1
Group 2
See also
References
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| |  |  | Domestic leagues |  | 
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 | Other |  | 
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| | Club seasons |  | Liga I | 
ArgeșCeahlăulCFR ClujDinamoFarulGloriaJiulNaționalOțelulPanduriiPoli IașiPoli TimișoaraRapidSteauaUnireaUniversitateaUTA AradVaslui
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| | International competitions | 
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