ABCDEFG

ABCDEFG and Abcdefg may refer to:

Music

 * The standard names of the seven diatonic musical notes: "A", "B", "C", "D", "E", "F", and "G"
 * ABCDEFG (album), a 2010 album by British band Chumbawamba
 * "ABCDEFG", a 2013 single recorded by American singer Alison Gold
 * "Abcdefg", a song by Rosalía from Motomami, 2022

Technical

 * ABCDEFG Schema, a Geosciences extension to the Access to Biological Collections Data (ABCD) XML schema