| Name | Roles |
|---|
| Hagen, Earle | Orchestrations, Conductor |
| Hagen, Earle H. | Orchestrations (2) |
| Hagen, Georgina | Performer (3) |
| Hagen, Jean | Performer |
| Hagen, Laurie | Performer (2) |
| Hagen, Lou Fanánek | Lyrics (6), Book (3), Performer |
| Hagen, Nina | Performer (4) |
| Hagen, Paul | Performer |
| Hagenberg, Tenja | Performer |
| Hagens, Tina Jo | Performer |
| Hager, Eric | Performer |
| Hager, Robi | Performer |
| Hagerty, Charles | Performer |
| Haggard, Justin | Performer |
| Haggard, Kara | Performer |
| Haggart, Bob | Conductor, Music_Director |
| Hagger, Emily Jane | Performer |
| Haggerty, Bruce | Producer |
| Haggerty, Sara | Performer |
| Häggkvist, Carola, AKA Carola | Performer (4) |
| Häggstam, Alf | Performer |
| Haggstrom, Roland | Performer |
| Hagiwara, Michael | Performer (2) |
| Hagman, Larry | Performer (3) |
| Hagne, Julia | Performer |
| Hague, Albert | Music (15), Lyrics, Performer (2) |
| Hahn, Archie | Performer (4) |
| Hahn, Corinne | Performer |
| Hahn, Don | Producer |
| Hahn, Freia | Performer |
| Hahn, Georg | Conductor |
| Hahn, George | Conductor, Vocal_Arrangements, Producer |
| Hahn, Juliana | Performer |
| Hahn, Lew | Producer |
| Hahn, Lewis | Producer (3) |
| Hahn, Mary | Performer |
| Hahn, Oliver | Conductor |
| Hahn, Tom | Orchestrations |
| Hahn, Veit | Performer |
| Hahn-Petersen, John | Performer |
| Hahnemann, Helga | Performer (2) |
| Haid, Charles | Performer |
| Haid, Liane | Performer |
| Haider, Alfons | Performer |
| Haig, David | Performer (3) |
| Haiger, Theresia | Performer |
| Haigh, Kenneth | Performer |
| Haigis, Anne | Performer (2) |
| Haile, Evans | Conductor (4) |
| Hailey, Marty | Performer |
