Jamming (or variants) may refer to:
General
- Jamming (knot), the tendency of knots to become difficult to untie
- Interfering with communications or surveillance:
- Radio jamming
- Radar jamming and deception
- Mobile phone jammer
- Echolocation jamming
- Radio-controlled improvised explosive device jamming, a counter-IED technique
- Jamming (physics), an apparent change of physical state
- Jamming (climbing), a climbing technique
- Jamming (weapon), a firearm malfunction
TV and radio
- Culture jamming, criticizing mass media through its own methods
- Jammin' (radio programme), BBC Radio 2 musical comedy show that aired since 2001
- Jammin, original version of TV series Kickin' It with Byron Allen 1992
- Jammin (2006 TV series), Sí TV reality television series that aired from 2006 to 2008
Music and dance
- Jammin, an alias of DJ Zinc
- Jam session, a semi-improvised rock or jazz performance
- Jamming (dance), cheered show-offs during social dancing
- Jamming!, a UK music fanzine of the 1970s–80s created by Tony Fletcher
- Jamming, dancehall reggae album by Frankie Paul, 1991
- "Jammin'" (Andrews Sisters song), debut hit song of the Andrews Sisters, 1937
- "Jamming" (song), by Bob Marley, 1977
- "Master Blaster (Jammin')", a song by Stevie Wonder, 1980