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 Buck Coulson (Yandro), Andrew Darlington, Louise Hollingberry, and David Tansey.