A misdemeanor is a "lesser" criminal act.

Misdemeanor may also refer to:

High misdemeanor, an archaic term in English Law for a number of positive misprisions, neglects and contempts

Music Misdemeanor (UFO album), 1985 Misdemeanor (band), a female stoner rock band from Sweden Misdemeanor, a 2002 album by the band "Miss Demeanor", a song by Sweet on their album, Desolation Boulevard Missy "Misdemeanor" Elliott, a female American rapper "Misdemeanor" (song), 1973 single by Foster Sylvers

See also Miss Demeanor, a character in Ninjago Ms. Demeanor, a cartoon character in the COPS animated TV series High crimes and misdemeanours, allegations of misconduct that do not fall under a more clearly defined impeachable offence