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 1973 NAIA World Series was the 17th 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 1975 NAIA World Series was the 19th 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 1977 NAIA World Series was the 21st 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 1978 NAIA World Series was the 22nd 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 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 1994 NAIA World Series was the 38th 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 1998 NAIA World Series was the 42nd 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.
