Spacemaster or Space Master may refer to:
Joint European Master in Space Science and Technology or short SpaceMaster, an Erasmus Mundus programme in Europe Martin Marietta Spacemaster, Space Shuttle proposal Space Master, Italian electro-musical group of the 1990s Spacemaster, science fiction role-playing game Trusty Spacemaster, a small wheeled bicycle made by Trusty Manufacturing in the 1960s and 1970s Zeiss SpaceMaster, a planetarium projector