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 1967 NAIA World Series was the 11th 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 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 1965 NAIA World Series was the ninth 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 1963 NAIA World Series was the seventh 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 1960 NAIA World Series was the fourth 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 1968 NAIA World Series was the 12th 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 1969 NAIA World Series was the 13th 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 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 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 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 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 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.
