The 2005–06 Serie D was the fifty-eighth edition of the top level Italian non-professional football championship. It represented the fifth tier in the Italian football league system.
Como Calcio joined with a phoenix club after they suffered bankruptcy in Serie C during the summer.
List of teams
Girone A
Girone B
Girone C
Girone D
- Note: In 2005-06, the Girone D was composed of 20 teams instead of the canonical 18 ones.
 
Girone E
Girone F
Girone G
Girone H
Girone I
Division winners
All teams promoted to 2006–07 Serie C2
- ^ Dropped because of financial troubles; third-placed Poggibonsi promoted in its place, following renunciation of second-placed team Fortis Juventus to play Serie C2 in 2006–07.
 
- ^ a b Additional team also promoted via playoffs; see below.
 
- ^ Vibonese also promoted by the Football Federation to fill Serie C2 league vacancies.
 
 
First round
Single-legged matches played at best placed club home field
Second round
Single-legged matches played at best placed club home field
Third round (group stage)
Group 1
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| Orbassano
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1–0
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Fortis Juventus
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| Fortis Juventus
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2–1
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Salò
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| Salò
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0–1
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Orbassano
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Group 2
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| Vibonese
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2–2
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Monopoli
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| Sambonifacese
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1–1
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Vibonese
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| Monopoli
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2–0
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Sambonifacese
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Group 3
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| Tritium
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1–2
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Celano
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| Monterotondo
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0–1
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Tritium
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| Celano
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1–1
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Monterotondo
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Semi-finals
Winning teams are automatically promoted to Serie C2
Final
Relegations
- Girone A
  
- Girone B
  
- Bergamo Cenate
 
- Caratese
 
- Caravaggio
 
- Oggiono
  
- Girone C
  
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- Girone D
  
- Cologna Veneta
 
- Cordignano
 
- Manzanese
 
- Vallagarina
  
- Girone E
  
- Girone F
  
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- Girone G
  
- Aprilia
 
- Montenero
 
- Sorianese
 
- Spes Mentana
  
- Girone H
  
- Ariano Irpino
 
- Manduria
 
- San Paolo Bari
 
- Sologra
 
- Nuovo Terzigno
  
- Girone I
  
 
 
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External links
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| Promozione | 
- 1948–49
 
- 1949–50
 
- 1950–51
 
- 1951–52
  
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| IV Serie | 
- 1952–53
 
- 1953–54
 
- 1954–55
 
- 1955–56
 
- 1956–57
  
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| Campionato Interregionale |  | 
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| Serie D | 
- 1959–60
 
- 1960–61
 
- 1961–62
 
- 1962–63
 
- 1963–64
 
- 1964–65
 
- 1965–66
 
- 1966–67
 
- 1967–68
 
- 1968–69
 
- 1969–70
 
- 1970–71
 
- 1971–72
 
- 1972–73
 
- 1973–74
 
- 1974–75
 
- 1975–76
 
- 1976–77
 
- 1977–78
 
- 1978–79
 
- 1979–80
 
- 1980–81
  
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| Campionato Interregionale | 
- 1981–82
 
- 1982–83
 
- 1983–84
 
- 1984–85
 
- 1985–86
 
- 1986–87
 
- 1987–88
 
- 1988–89
 
- 1989–90
 
- 1990–91
 
- 1991–92
  
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| Campionato Nazionale Dilettanti | 
- 1992–93
 
- 1993–94
 
- 1994–95
 
- 1995–96
 
- 1996–97
 
- 1997–98
 
- 1998–99
  
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| Serie D |  | 
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| Domestic leagues |  | 
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| Domestic cups |  | 
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| European competitions |  | 
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| Related to national team |  | 
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