WPIAL Baseball Champions
The Western Pennsylvania Interscholastic Athletic League (WPIAL) has crowned champions in baseball since 1914. The 2023 season marks the WPIAL’s 110th year of competition in the sport, and saw TBD (6A), TBD (5A), Hopewell (4A), TBD (3A), Seton LaSalle (2A), and TBD (1A) capture their respective classification’s championship.
12 different schools have won five or more WPIAL baseball titles, with North Allegheny’s eight being the most in league history. The other schools who have reached five or more are: Allegheny (7), McKeesport (7), California (6), Neshannock (6), Pine-Richland (6), Ellwood City (5), Hopewell (5), Mt. Lebanon (5), Riverside (5), Shaler (5), and West Allegheny (5).
A full list of champions by year and classification can be found below. The 2020 season was not contested due to the COVID-19 pandemic.
| Year | 6A | 5A | 4A | 3A | 2A | 1A |
| 2023 | Hopewell | Seton LaSalle | ||||
| 2022 | Mt. Lebanon | West Allegheny | West Mifflin | South Park | Serra Catholic | Union |
| 2021 | North Allegheny | Franklin Regional | New Castle | Hopewell | Shenango | Union |
| 2020 | COVID-19 | |||||
| 2019 | Pine-Richland | Shaler | Beaver | Steel Valley | Seton LaSalle | California |
| 2018 | Canon-McMillan | North Hills | South Fayette | Brownsville | North Catholic | Vincentian Acad. |
| 2017 | Pine-Richland | Greater Latrobe | Blackhawk | Riverside | California | Jeannette |
| 2016 | Norwin | Chartiers Valley | Riverside | Serra Catholic | ||
| 2015 | Central Catholic | Knoch | Neshannock | Greensburg C.C. | ||
| 2014 | Seneca Valley | West Allegheny | Steel Valley | California | ||
| 2013 | North Allegheny | South Park | Beaver | Western Beaver | ||
| 2012 | Seneca Valley | Blackhawk | Ellwood City | Neshannock | ||
| 2011 | Seneca Valley | Elizabeth Forward | Riverside | Neshannock | ||
| 2010 | Pine-Richland | Hopewell | Beaver Falls | Serra Catholic | ||
| 2009 | North Allegheny | Moon | Shady Side Acad. | Serra Catholic | ||
| 2008 | Peters Township | West Allegheny | Beaver | Carmichaels | ||
| 2007 | Peters Township | West Allegheny | North Catholic | Springdale | ||
| 2006 | Mt. Lebanon | Pine-Richland | Riverside | California | ||
| 2005 | North Allegheny | Pine-Richland | North Catholic | Carmichaels | ||
| 2004 | Pine-Richland | Blackhawk | Neshannock | |||
| 2003 | North Allegheny | Ellwood City | Carmichaels | |||
| 2002 | Mt. Lebanon | Washington | Neshannock | |||
| 2001 | Franklin Regional | Ellwood City | California | |||
| 2000 | Hopewell | Bishop Canevin | Western Beaver | |||
| 1999 | Shaler | Waynesburg Cent. | South Fayette | |||
| 1998 | Plum | Washington | ||||
| 1997 | Franklin Regional | Washington | ||||
| 1996 | North Allegheny | Riverside | ||||
| 1995 | North Catholic | Seton LaSalle | ||||
| 1994 | Seneca Valley | West Allegheny | ||||
| 1993 | Mt. Lebanon | Canevin Catholic | ||||
| 1992 | Upper St. Clair | Avonworth | ||||
| 1991 | North Allegheny | Neshannock | ||||
| 1990 | North Allegheny | Center | ||||
| 1989 | Connellsville | Center | ||||
| 1988 | Plum | Ford City | ||||
| 1987 | Bethel Park | Ford City | ||||
| 1986 | Connellsville | Fort Cherry | ||||
| 1985 | Bethel Park | Sto-Rox | ||||
| 1984 | Derry | Quaker Valley | ||||
| 1983 | Beaver | California | ||||
| 1982 | Connellsville | Northgate | ||||
| 1981 | Shaler | Wilmington | ||||
| 1980 | Shaler | Swissvale | ||||
| 1979 | Hopewell | Freeport | ||||
| 1978 | Penn Hills | |||||
| 1977 | Penn Hills | |||||
| 1976 | Elizabeth Forward | |||||
| 1975 | Beaver Falls | |||||
| 1974 | Burrell | |||||
| 1973 | Connellsville | |||||
| 1972 | Montour | |||||
| 1971 | Highlands | |||||
| 1970 | Mt. Pleasant | |||||
| 1969 | Beaver Falls | |||||
| 1968 | Ellwood City | |||||
| 1967 | Kittanning | |||||
| 1966 | Kiski Area | |||||
| 1965 | Arnold | |||||
| 1964 | Shaler | |||||
| 1963 | McKeesport | |||||
| 1962 | Ellwood City | |||||
| 1961 | Beaver Falls | |||||
| 1960 | Norwin | |||||
| 1959 | Mt. Lebanon | |||||
| 1958 | Freeport | |||||
| 1957 | Freeport | |||||
| 1956 | Har-Brack | |||||
| 1955 | McKeesport | |||||
| 1954 | Springdale | |||||
| 1953 | McKeesport | |||||
| 1952 | Redstone | |||||
| 1951 | Franklin Township | |||||
| 1950 | Shannock Valley | |||||
| 1949 | Vandergrift | |||||
| 1948 | Vandergrift | |||||
| 1947 | Crafton | |||||
| 1946 | Aliquippa | |||||
| 1945 | McKeesport | |||||
| 1944 | Aliquippa | |||||
| 1943 | Bell Township | |||||
| 1942 | Redstone | |||||
| 1941 | Trinity | |||||
| 1940 | Trinity | |||||
| 1939 | Springdale | |||||
| 1938 | McKeesport | |||||
| 1937 | Stowe | |||||
| 1936 | Canonsburg | |||||
| 1935 | Canonsburg | |||||
| 1934 | Edgewood | |||||
| 1933 | Trinity | |||||
| 1932 | Carnegie | |||||
| 1931 | McKeesport | |||||
| 1930 | N. Braddock Scott | |||||
| 1929 | N. Braddock Scott | |||||
| 1928 | Dormont | |||||
| 1927 | Edgewood | |||||
| 1926 | McKees Rocks | |||||
| 1925 | Edgewood | |||||
| 1924 | McKeesport | |||||
| 1923 | Bellevue | |||||
| 1922 | Allegheny | |||||
| 1921 | Allegheny | |||||
| 1920 | Allegheny | |||||
| 1919 | Allegheny | |||||
| 1918 | Allegheny | |||||
| 1917 | Allegheny | |||||
| 1916 | Fifth Avenue | |||||
| 1915 | Fifth Avenue | |||||
| 1914 | Allegheny | |||||
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