Vorpal Glass was a science fiction fanzine by Karen Anderson.
Vorpal Glass was published in Orinda, California, U.S.A. The first issue appeared in December 1960, issue two in 1961, issue four in March 1962, and issue five was released in February 1963.
Contributors included Poul Anderson, who wrote a regular column, Anthony Boucher, Betsy Curtis (The Cricket), Fritz Leiber, John Myers Myers, and Margaret St. Clair.
Vorpal Glass was distributed by Spectator Amateur Press Society.