Skala pentatonik atau tangga nada pentatonik adalah suatu skala dalam muzik dengan lima not per oktaf. Skala pentatonik biasanya digunakan sebagai dasar dalam memainkan jenis muzik blues . Ada dua skala pentatonik yang paling sering digunakan iaitu skala pentatonik "Major dan skala pentatonik "Minor" . Pola interval pada skala pentatonik "Major" adalah M2-M2-m3-M2-m3, sementara pada skala pentatonik "Minor" adalah m3-M2-M2-m3-M2.
Pentatonicism from the Eighteenth Century to Debussy by Jeremy Day-O'Connell (University of Rochester Press 2007) – the first comprehensive account of the increasing use of the pentatonic scale in 19th century Western art music, including a catalogue of over 400 musical examples.
Trần Văn Khê "Le pentatonique est-il universel? Quelques reflexions sur le pentatonisme", The World of Music 19, nos. 1–2:85–91 (1977). English translation p.76–84
Kurt Reinhard, "On the problem of pre-pentatonic scales: particularly the third-second nucleus", Journal of the International Folk Music Council 10 (1958).
Yamaguchi, Masaya (New York: Charles Colin, 2002; Masaya Music, Revised 2006). Pentatonicism in Jazz: Creative Aspects and Practice. ISBN 0-9676353-1-4
Jeff Burns, Pentatonic Scales for the Jazz-Rock Keyboardist (1997).