Abstract: A support for stringed musical instruments includes a resting base and a supporting upright for supporting the instrument, the support being formed by elements that are mobile between a condition of use and a folded or collapsed condition for being carried. The mobile elements are shaped like a plane plate to enable the support, in its collapsed condition, to be housed and carried inside the case of the musical instrument, even in contact with the latter, and define respective extensive surfaces that can be used for application of advertising and promotional information, and the like.