Southwest USA Region (PLNU)
Districts:
Arizona New Mexico SW Native American
Southern California Los Angeles Anaheim
Northern California Sacramento Hawaii Pacific
Central California Western Latin America SW Latin America
Regional Champions
| YEAR | FIRST | SECOND | THIRD |
| 2008 | Arizona | Central California | |
| 2007 | Northern California | Arizona | |
| 2006 | Arizona | New Mexico | Northern California |
| 2005 | Sacramento | New Mexico | |
| 2004 | Los Angeles | Arizona | |
| 2003 | Arizona | Sacramento | |
| 2002 | Arizona | New Mexico | |
| 2001 | Arizona | Los Angeles | |
| 2000 | Arizona | Sacramento | |
| 1999 | Sacramento | Arizona | |
| 1998 | Sacramento | Arizona | New Mexico |
| 1997 | Arizona | Sacramento | New Mexico |
| 1996 | |||
| 1995 | |||
| 1994 | |||
| 1993 | New Mexico | ||
| 1992 | |||
| 1991 | |||
| 1990 | New Mexico | ||
| 1989 | |||
| 1988 | |||
| 1987 | |||
| 1986 | |||
| 1985 | New Mexico | ||
| 1984 | Northern California | New Mexico | |
| 1983 | Northern California | New Mexico | |
| 1982 | |||
| 1981 | Northern California | ||
| 1980 | |||
| 1979 | |||
| 1978 | |||
| 1977 | |||
| 1976 | |||
| 1975 | |||
| 1974 | |||
| 1973 | |||
| 1972 | |||
| 1971 | |||
| 1970 | Northern California | New Mexico | |
| 1969 | Sacramento | Southern California | New Mexico |
| 1968 | Sacramento |