The Mentor (1965-2001) was a science fiction fanzine by Ron Clarke published in NSW, Australia.
Issues No. 1-23 of The Mentor, which were published from 1965 till 1973, were edited and published by Ron Clarke, before reappearing in 1978, also as The Mentor for issues No. 24-95, which ran from 1978 till 2001.
The Mentor featured the regular column called "Grimesish Grumberlings" by A. Bertram Chandler.
Other contributors included Bill Congreve, Janet Cooper, Buck Coulson with the column "The Yankee Privateer" (Yandro), Andrew Darlington (Ludd's Mill), Shane Dix, Wayne Edwards, Louise Hollingberry, Brent Lillie, Vol Molesworth, Margaret Pearce, William P. Robertson, Pauline Scarf, Steve Sneyd (Data Dump), Mae Strelkov, Andrew Sullivan, David Tansey, Julie Vaux, Pavel Viaznikov, and Sean Williams.
Artwork was by Malcolm Edwards (Vector), Steven Fox, Andrey Karapetyan, Peter Lempert, and Mike McCann, Peggy Ranson, Antoinette Rydyr, Kurt Stone, Jozef Szekeres, Julie Vaux, Tonia Walden, and Rod Williams, among others.