Hybrid may refer to any of the following:
1. In general, hybrid refers to anything that is made of two or more things. For example, a hybrid computer is a computer capable of accepting both digital and analog signals, unlike most computers that are just digital.
2. Under the Orange Book standard for recordable CDs, hybrid means a disc that has one or more sessions already recorded, but has space allocated for future recording.
3. Hybrid can also refer to a compact disc that contains both DOS/Windows and Apple software on the same disc. The DOS/Windows platform sees the disc as a normal ISO 9660 disc, while on a Mac it appears as a HFS disc.