1998 NCAA Division I baseball rankings

The following polls make up the 1998 NCAA Division I baseball rankings. USA Today and ESPN began publishing the Coaches' Poll of 31 active coaches ranking the top 25 teams in the nation in 1992. Each coach is a member of the American Baseball Coaches Association. Baseball America began publishing its poll of the top 20 teams in college baseball in 1981. Beginning with the 1985 season, it expanded to the top 25. Collegiate Baseball Newspaper published its first human poll of the top 20 teams in college baseball in 1957, and expanded to rank the top 30 teams in 1961.