Mark Errington Brydon (born December 22, 1960) is an English bassist, composer, arranger, recording engineer, remix artist and producer best known as a member of the group Moloko.

He comes from Sunderland, England, but established himself in the Sheffield music scene, where he helped to build Fon Studios. Brydon made significant contributions to the 1987 British pop hit "House Arrest" by Krush. He furthered his career with contributions to records and remixes such as "The Funky Worm" and efforts by The Human League, Psychic TV, Boy George, Art of Noise and other groups. As a bass player and producer he was a member of Cloud 9 & Chakk.

His biggest contribution to British art pop to date would come as a result of meeting Róisín Murphy, with whom he formed Moloko, at a cocktail party. The two hit off immediately, and began working together first as a duo for two albums, then bringing in a full line-up to tour and record the last two Moloko albums. Moloko went on indefinite hiatus after the release of "Statues" in 2003, followed by a successful tour and the release of the full length concert video "11,000 Clicks" in 2004 (filmed at their final performance in Brixton, at the end of the Statues tour).

Before its bankruptcy, Brydon had divested himself of his interests in legendary FON studios, for which he did everything from designing the studio architecture to hand-choosing equipment. He has continued a side career as a remixer under such aliases as DJ Plankton.

Following Moloko's indefinite break-up, Brydon is focusing his energies on the design of a new studio.

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