1998 Williams Ephs football team

The 1998 Williams Ephs football team was an American football team that represented Williams College as a member of both the New England Small College Athletic Conference (NESCAC) and the Little Three Conference during the 1998 NCAA Division III football season. In their 12th year under head coach Dick Farley, the Ephs compiled a perfect 8–0 record, won the Little Three championship, finished in first place in the NESCAC, and outscored opponents by a total of 314 to 76.

The team played its home games at Weston Field in Williamstown, Massachusetts.