Spontaneous may refer to: Spontaneous abortion Spontaneous bacterial peritonitis Spontaneous combustion Spontaneous declaration Spontaneous emission Spontaneous fission Spontaneous generation Spontaneous human combustion Spontaneous Music Ensemble Spontaneous order Spontaneous process Spontaneous remission Spontaneous symmetry breaking Spontaneous (album) by William Parker & the Little Huey Creative Music Orchestra Spontaneous (film), an American sci-fi fantasy film See also Revolutionary spontaneity, also known as spontaneism, the belief that social revolution can and should occur spontaneously without the aid or guidance of a vanguard party.