Minidisk, Mini Disk, MiniDisc, Mini Disc or similar may refer to:
MiniDisc, a magneto-optical disc-based music and data storage format developed by Sony Minidisk (CMS), a minidisk formatted for use by the CMS operating system under CP-67 or VM Minidisk (floppy), 5.25-inch floppy diskette type Minidisk (VM), a virtual disk provided by the CP-67 or VM operating system , a consumer mechanical digital audio disc from Telefunken Olivetti Minidisk, a 2.5-inch sleeveless floppy diskette format by Olivetti for their P6040 (1975) Minidisc (album), a Gescom album MiniDiscs [Hacked], a music compilation by Radiohead
See also Mini CD, a smaller variant of the standard full-size Compact Disc MiniDVD, a smaller variant of the standard full-size DVD format MiniDVD (disambiguation), formats similar to the MiniDVD Micro disk MD (disambiguation)