Sonar or SONAR is a technique that uses sound propagation under water.

Sonar or SONAR may also refer to:

Companies Sonar (company), a Swiss company Sonar Entertainment, a television production company Sonar Kollektiv, a German record label Sonar Music, at Fox Studios Australia Sonar Radio, an online radio station based in Singapore Sonar Records, an English record label

Entertainment Sonar (band), a Belgian musical group Sonar (comics), a DC Comics fictional character Sonar (Transformers), a fictional character Sónar, a music festival in Barcelona, Spain "Sonar", a radio single of the Mexican Electro/Pop band Belanova Sonar Kella, a 1974 Indian novel and film Vivek Sonar (born 1976), Indian flautist

Computing Sonar (mobile application) SONAR (Symantec), a technology used in Norton-security software SonarQube, formerly named Sonar, a software quality management platform Cakewalk Sonar, digital audio workstation software Mouse Sonar, a computer accessibility feature in Microsoft Windows Sonar, the artificial intelligence model of Perplexity

Other Sonar (keelboat), a sailboat Sonar River, India Kafil Uddin Sonar (1940s–2019), Bangladeshi politician Animal echolocation or bio sonar, the use of sound to navigate and identify objects

See also Sonnar