The Citroën C4 SpaceTourer, also spelled Citroen C4 SpaceTourer in some other languages, is a five-seater car produced by French manufacturer Citroën with a seven-seater version called the Grand C4 SpaceTourer also available. It has a five-door compact multi-purpose vehicle (MPV) bodystyle. The seven seat Grand C4 Picasso made its debut first, at the Paris Motor Show in September 2006, with the five seat version following in January 2007.

Compact MPV is a vehicle size class for the middle size of MPVs. The Compact MPV size class sits between the mini MPV and large MPV (minivan) size classes.