Two-tone, two tone, or 2 tone, etc., may refer to:
Audio and sound Two-tone analysis, in nonlinear system measurement Two-tone attention signal Two-tone chime, such as the "ding dong" sound of a doorbell Two-tone sequential paging, selective calling method in analog 2-way radio transmission Two-tone siren, a European type of siren
Language Two-tone language Diphthong (Greek for two tones), in linguistics, a gliding vowel
Music Two-tone (music genre), music genre 2 Tone Records, record label Two Tone Club, French ska band "Two-Tone" Tommy, bass musician
Other Two-tone color, such as RG color space Two-tone paint Two-tone pattern Two-toned lobsterette Two-Tone, dalmatian dog in the 2003 animated film 101 Dalmatians II: Patch's London Adventure and 1996 remake Two-tone testing, a test in radio systems for intermodulation distortion
See also Tone (disambiguation) Tommy Tutone