- Alex Harmony
- Alex Harris
- Alex Harvest
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- Alex Harvey
- Alex Harvey and His Soul Band
- Alex Hassan
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- Alex Hender
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- Alex Hentze
- Alex Hepburn
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- Alex Highton
- Alex Hill
- Alex Hill
- Alex Hills
- Alex Hill's Orchestra
- Alex Hirsch
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- Alex Holderness
- Alex Holland
- Alex Hood
- Alex Hood's Railroad Boys
- Alex Houghton
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- Alex Hughes
- Alex Hustler
- Alex Hyde
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- Alex in Wonderland
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- Alex Ingram
- Alex Aiono
- Alex Ionov
- Alex Is My Bro
- Alex J
- Alex J.
- Alex J. Hall
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- Alex Jacquemin
- Alex Jacquemin
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- Alex James
- Alex James
- Alex James
- Alex James
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- Alex Janz
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- Alex & JB
- Alex Jennings
- Alex & Jerma Gaudino
- Alex Jockey
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- Alex Johnson
- Alex Jones
- Alex Jordahl
- Alex, Jorge Y Lena
- Alex José Duarte
- Alex Jung Quartet
- Alex Junior
- Alex K
- Alex K.
- Alex K. Katz
- Alex Kadvan
- Alex Kaeck & His Keikis
- Alex Kahney
- Alex Kain
- Alex Kain
- Alex Kajumulo
- Alex & Kaleidoscope Band