Michael Dollar Kelt (born 1954) is a British special effects designer. Mike is CEO and SFX Supervisor at Artem Ltd - a leading physical special effects company with workshops in London and Glasgow. He has been in the Special Effects business for over 35 years, the last 27 of which have been with Artem which he helped to establish and has run since the start.

In the early 1990's he worked on Harry Enfield's Television Programme.