Martyn Ashton is a british bike trials rider who has had a significant role in the development of the sport. He started Ashton Bikes and designed the popular Justice frame.

He co starred in the instructional video "Tricks and Stunts", which has been a useful guide for many years.

Martyn was the world Champion in the 'master' category in 1995 and has held numerous british titles in the past, but now concentrates on the Demo side of trials, earning his living riding the custom trials demo rig by Animal/Ashton, amongst other sponsors.