A band may refer to:
*
A band (NATO)
The NATO A band is the obsolete designation given to the radio frequencies from 0 to 250 MHz (equivalent to wavelengths from 1.2 m upwards) during the cold war period. Since 1992, frequency allocations, allotment and assignments are in line ...
, a range of radio frequencies
*
A-band, an absorption band for molecular oxygen
*
A Band, a musical improvisation group, originally from Nottingham, England
*
A band (anatomy), the anisotropic band in sarcomeres
*
A (band), a rock band from Suffolk, England
* A
band, a group of musicians
See also
*
A (disambiguation)
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