Sonic may refer to:
- Sonic, (adj.), of or relating to audible sounds.
- -sonic-, a prefix/infix/suffix for words with meanings that relate to acoustics.
- S.O.N.I.C, System-Oriented Network Interface Controller: an ethernet-controller
- Sonic 102.9, independently-owned radio station in Edmonton, Alberta, Canada
- Sonic boom, an audible component of a shock wave in air
- Sonic Drive-In, a United States fast food restaurant chain
- Sonic Enemy, a record label
- Sonic Foundry, a computer software company which develops programs for editing audio and video
- Sonic hedgehog gene and protein named after a specific famous video game character
- Sonic screwdriver, fictional tool in the British science fiction television series Doctor Who
- Sonic Shower, Star Trek technology that uses sonic pulse vibrations to remove dirt from the body
- Sonic Software, operating unit of Progress Software
- Sonic Solutions, company operating in digital-media markets
- Sonic Team, developer of computer games and video games
- Sonic the Hedgehog (video game series), a series of video games featuring Sonic the Hedgehog
- Sonic the Hedgehog (character), a video game character
- Sonic the Hedgehog (disambiguation), various media related to Sonic the Hedgehog
- Sonic (train), the name of a Japanese express train
- Sonic (typeface)
- Sonic Youth, alternative rock band
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