The Spectre King is a 1992 role-playing supplement for Pendragon published by Chaosium.
The Spectre King is a supplement in which five adventures are included, along with guidelines for the Grand Tourney of Logres, and a description of Cambridge.
Chris Hind reviewed The Spectre King in White Wolf #35 (March/April, 1993), rating it a 4 out of 5 and stated that "Not surprisingly, Chaosium has forged another masterpiece with The Spectre King."