Jammer may refer to:
Signal blocking devices
- Radar jammer, a device used in radar jamming and deception
- Radio jammer, a device used in radio jamming
- Radio-controlled Improvised Explosive Device jammer, a counter-IED device
- Mobile phone jammer, an instrument used to prevent cellular phones from receiving signals from base stations
Sports
- Jammer (American football), a special teams position
- Jammer (mascot), mascot of the Northern League Joliet Jackhammers
- Jammer (swimwear), a type of male competitive swimwear
- Jammer, the scoring position in roller derby
- Jamestown Jammers, a minor league baseball team
People
- Daniel Jammer (born 1966), Jewish German-Israeli businessman and entrepreneur
- Max Jammer (1915–2010), Israeli physicist and Rector and Acting President of Bar-Ilan University
- Quentin Jammer (born 1979), American retired National Football League player
- Jammer (rapper) (born 1982), English rapper and producer
- Jammer (born 1999), A Native American Discord user known for being quite a furry.
Entertainment
- The Jammers, American electronic music studio group
- Players of National Geographic Animal Jam
- Jammers, a group of characters in the TV series The Prisoner who use misdirection to confuse onlookers with misinformation
Other uses
- Jammer keyboard, a musical instrument
See also
- Red Jammers, buses used to shuttle guests around Glacier National Park
- Jamming (disambiguation)