Under 15 Carnival Winners
| Year | League | Year | League |
| 1691 | Port Lincoln | 2001 | East Whyalla |
| 1962 | Port Lincoln | 2002 | Great Flinders |
| 1963 | Port Lincoln | 2003 | Far West |
| 1964 | Port Lincoln | 2004 | Great Flinders |
| 1965 | Port Lincoln | 2005 | Great Flinders |
| 1966 | Lincoln Districts | 2006 | Eastern Eyre |
| 1967 | Lincoln Town | 2007 | Eastern Eyre |
| 1968 | County Jervois | 2008 | Great Flinders |
| 1969 | Lincoln Town | 2009 | Lincoln Districts |
| 1970 | Le Hunte | 2010 | Great Flinders |
| 1971 | Lincoln City | 2011 | Mid West |
| 1972 | Lincoln City | 2012 | Mid West |
| 1973 | Lincoln City | 2013 | Eastern Eyre |
| 1974 | Lincoln City | 2014 | Eastern Eyre |
| 1975 | Great Flinders | 2015 | Great Flinders |
| 1976 | Lincoln City | 2016 | Lincoln Districts |
| 1977 | Great Flinders | 2017 | Great Flinders |
| 1978 | Lincoln 1 | 2018 | Lincoln City |
| 1979 | County Jervois | 2019 | Lincoln City |
| 1980 | Lincoln 1 | 2020 | COVID-19 |
| 1981 | Lincoln 1 | 2021 | – |
| 1982 | Le Hunte | 2022 | Lincoln Districts |
| 1983 | Streaky Bay | 2023 | – |
| 1984 | Lincoln City | ||
| 1985 | County Jervois | ||
| 1986 | Great Flinders | ||
| 1987 | Far West | ||
| 1988 | Lincoln Districts | ||
| 1989 | Port Augusta | ||
| 1990 | Port Augusta | ||
| 1991 | Lincoln Districts | ||
| 1992 | Lincoln City | ||
| 1993 | Great Flinders | ||
| 1994 | Eastern Eyre | ||
| 1995 | Eastern Eyre | ||
| 1996 | Eastern Eyre | ||
| 1997 | Lincoln Districts | ||
| 1998 | Great Flinders | ||
| 1999 | Eastern Eyre | ||
| 2000 | Lincoln Districts | ||