The NAIA World Series is a double-elimination tournament, held since 1957, to determine the baseball champion of the National Association of Intercollegiate Athletics (NAIA). Since 2000, the tournament has been held at Harris Field on the campus of Lewis–Clark State College (LCSC) in Lewiston, Idaho, having previously hosted from 1984 to 1991.
The 1966 NAIA World Series was the tenth annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1962 NAIA World Series was the sixth annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1974 NAIA World Series was the 18th annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1976 NAIA World Series was the 20th annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1980 NAIA World Series was the 24th annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1984 NAIA World Series was the 28th annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1985 NAIA World Series was the 29th annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1986 NAIA World Series was the 30th annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1987 NAIA World Series was the 31st annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1988 NAIA World Series was the 32nd annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1989 NAIA World Series was the 33rd annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1990 NAIA World Series was the 34th annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1991 NAIA World Series was the 35th annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1992 NAIA World Series was the 36th annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1993 NAIA World Series was the 37th annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1995 NAIA World Series was the 39th annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1996 NAIA World Series was the 40th annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1997 NAIA World Series was the 41st annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
The 1999 NAIA World Series was the 43rd annual tournament hosted by the National Association of Intercollegiate Athletics to determine the national champion of baseball among its member colleges and universities in the United States and Canada.
