Wave may refer to:
- Wave, a periodic disturbance that propagates
- Waving, a gesture
- any of several musical genres:
- WAV or WAVE, a Microsoft and IBM audio file format standard
- The Wave (book), a novel by Todd Strasser based on a 1967 experimental recreation of Nazi Germany by high school teacher Ron Jones (The Third Wave)
- The Wave (film) - see above
- The Green Wave - the nickname of the sports teams at Tulane University
- The Third Wave - see above
- Wave (album), the album by Patti Smith
- Wave (Jobim album), the album by Antonio Carlos Jobim
- The Wave, Arizona, a spectacular sandstone formation in northern Arizona
- Wave Rock, a rock formation in Australia.
- Tsunami_by_hokusai_19th_century.jpg, a painting by Katsushika Hokusai, which is often called simply The Wave in English
- Radio and television stations:
- CJLS The Wave, a radio station in Yarmouth, Nova Scotia
- 96.4 FM The Wave, a radio station in Swansea, Wales
- 97.3 the Wave (CHWV-FM), a radio station in Saint John, New Brunswick
- WAVE (TV), a television station in Louisville, Kentucky
- Rockwave, FM radio station in Sao Paulo, Brazil
- Wave (band), a Canadian rock duo
- Wave the Swallow, a character from the Sonic the Hedgehog video games, and member of the Babylon Rouges
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