The modern era of the Serie A championship in Italy began in the 1929–30 season with a national league format that remains the foundation of Italian football to this day.

Juventus stands as the most successful club in Serie A history, having lifted the Scudetto a record 36 times. They are also the only club to have won the Italian title more than 30 times. Their closest rival is Inter Milan, who have claimed the championship on 20 occasions.

As of the 2024–25 season, the reigning Serie A champion is Napoli, who clinched their fourth league title, continuing a remarkable resurgence in Italian and European football.

Complete List of Serie A Champions

 1929–30 Ambrosiana-Inter
 1930–31 Juventus
 1931–32 Juventus
 1932–33 Juventus
 1933–34 Juventus
 1934–35 Juventus
 1935–36 Bologna
 1936–37 Bologna
 1937–38 Ambrosiana-Inter
 1938–39 Bologna
 1939–40 Ambrosiana-Inter
 1940–41 Bologna
 1941–42 Roma
 1942–43 Torino
 1945–46 Torino
 1946–47 Torino
 1947–48 Torino
 1948–49 Torino
 1949–50 Juventus
 1950–51 AC Milan
 1951–52 Juventus
 1952–53 Inter Milan
 1953–54 Inter Milan
 1954–55 AC Milan
 1955–56 Fiorentina
 1956–57 AC Milan
 1957–58 Juventus
 1958–59 AC Milan
 1959–60 Juventus
 1960–61 Juventus
 1961–62 AC Milan
 1962–63 Inter Milan
 1963–64 Bologna
 1964–65 Inter Milan
 1965–66 Inter Milan
 1966–67 Juventus
 1967–68 AC Milan
 1968–69 Fiorentina
 1969–70 Cagliari
 1970–71 Inter Milan
 1971–72 Juventus
 1972–73 Juventus
 1973–74 Lazio
 1974–75 Juventus
 1975–76 Torino
 1976–77 Juventus
 1977–78 Juventus
 1978–79 AC Milan
 1979–80 Inter Milan
 1980–81 Juventus
 1981–82 Juventus
 1982–83 Roma
 1983–84 Juventus
 1984–85 Hellas Verona
 1985–86 Juventus
 1986–87 Napoli
 1987–88 AC Milan
 1988–89 Inter Milan
 1989–90 Napoli
 1990–91 Sampdoria
 1991–92 AC Milan
 1992–93 AC Milan
 1993–94 AC Milan
 1994–95 Juventus
 1995–96 AC Milan
 1996–97 Juventus
 1997–98 Juventus
 1998–99 AC Milan
 1999–00 Lazio
 2000–01 Roma
 2001–02 Juventus
 2002–03 Juventus
 2003–04 AC Milan
 2004–05 Title revoked
 2005–06 Inter Milan
 2006–07 Inter Milan
 2007–08 Inter Milan
 2008–09 Inter Milan
 2009–10 Inter Milan
 2010–11 AC Milan
 2011–12 Juventus
 2012–13 Juventus
 2013–14 Juventus
 2014–15 Juventus
 2015–16 Juventus
 2016–17 Juventus
 2017–18 Juventus
 2018–19 Juventus
 2019–20 Juventus
 2020–21 Inter Milan
 2021–22 AC Milan
 2022–23 Napoli
 2023–24 Inter Milan
 2024–25 Napoli