Bryan Josh (born 1967) is a musician who is the founder of British progressive rock band Mostly Autumn.

[1] While primarily being the band's co-lead singer (previously with Heidi Widdop and Heather Findlay, and presently with Olivia Sparnenn) and lead guitarist, he has performed on many other instruments in the studio, which include the bass guitar, piano and keyboards.

Towards the end of the year he also played three live dates showcasing the material from Through These Eyes.

He was joined by Olivia Sparnenn (vocals/percussion), Chris Johnson (guitar/keyboards/vocals), Iain Jennings (keyboards), Patrick Berry (bass guitars) and Gavin Griffiths (drums).

On 4 April 2010, Josh played his final concert as lead guitarist of Breathing Space.