DeaDBeeF is an audio player software available for Windows, Linux and other Unix-like operating systems.

[2][3] An ad-supported Android version is available, but has not been updated since 2017.

DeaDBeeF is free and open-source software, except on Android.

[4] Its author cited dissatisfaction with existing music players under Linux as the main reason for writing DeaDBeeF.

The name is a reference to the magic number 0xDEADBEEF.