List of National League (ice hockey) seasons

This is a list of Nationalliga A seasons since the inception of the league. National League A (NLA) is a professional ice hockey league in Switzerland.

1930s

 * 1937–38
 * 1938–39

1940s

 * 1940–41
 * 1941–42
 * 1942–43
 * 1943–44
 * 1944–45
 * 1945–46
 * 1946–47
 * 1947–48
 * 1948–49
 * 1949–50

1950s

 * 1950–51
 * 1951–52
 * 1952–53
 * 1953–54
 * 1954–55
 * 1955–56
 * 1956–57
 * 1957–58
 * 1958–59
 * 1959–60

1960s

 * 1960–61
 * 1961–62
 * 1962–63
 * 1963–64
 * 1964–65
 * 1965–66
 * 1966–67
 * 1967–68
 * 1968–69
 * 1969–70

1970s

 * 1970–71
 * 1971–72
 * 1972–73
 * 1973–74
 * 1974–75
 * 1975–76
 * 1976–77
 * 1977–78
 * 1978–79
 * 1979–80

1980s

 * 1980–81
 * 1981–82
 * 1982–83
 * 1983–84
 * 1984–85
 * 1985–86
 * 1986–87
 * 1987–88
 * 1988–89
 * 1989–90

1990s

 * 1990–91
 * 1991–92
 * 1992–93
 * 1993–94
 * 1994–95
 * 1995–96
 * 1996–97
 * 1997–98
 * 1998–99
 * 1999–00

2000s

 * 2000–01
 * 2001–02
 * 2002–03
 * 2003–04
 * 2004–05
 * 2005–06
 * 2006–07
 * 2007–08
 * 2008–09
 * 2009–10
 * 2010–11
 * 2011–12
 * 2012–13
 * 2013–14
 * 2014–15
 * 2015–16
 * 2016–17
 * 2017–18
 * 2018–19
 * 2019–20
 * 2020–21
 * 2021–22
 * 2022–23