Open microphone

Open microphone may refer to:
 * Open mike, a live show where audience members may perform at the microphone
 * Daily Telegraph Open Mic Award, a competition for comedians in the UK that run from 1994 and 2002.
 * Open Mic UK, a live music competition in the UK, started in 2008.
 * Microphone gaffe, when something is broadcast over a microphone by mistake