| Song Title | Source | Composer(s) |
|---|
| Happiness | Scrooge
| Bricusse |
| Happiness | Rooms: a Rock Romance
| Goodman |
| Happiness (Reprise) | Scrooge
| Bricusse |
| Happiness Is a Bird | Pieces of Eight
| various |
| Happiness Is a Thing Called Joe | Cabin in the Sky
| Duke |
| Happiness Is A Warm Gun | Norwegian Wood
| Lennon, McCartney |
| Happiness Is One Small Vineyard | Lillie
| Melander-Magoon |
| Happy Because I'm in Love | Great Day
| Youmans |
| Happy Because I'm in Love (Reprise) | Great Day
| Youmans |
| Happy Birthday | Human Comedy, The
| MacDermot |
| Happy Birthday | I'm Getting My Act Together and Taking It On the Road
| Ford |
| Happy Birthday | Zorba
| Kander |
| Happy Birthday | America the Beautiful
| Volpintesta |
| Happy Birthday | Sparkles
| Murdock |
| Happy Birthday | That Time of the Year
| Oliver, Levin, Cohen, Rosen, Ross, Wherry, Wilf |
| Happy Birthday Darling | Bright Lights, Big City
| Goodman |
| Happy Birthday Harry | Eating Raoul
| Feuer |
| Happy Birthday to You | Girl Crazy
| Gershwin |
| Happy Birthday to You and to You | Side Show
| Krieger |
| Happy Birthday William Blake | Tyger
| Westbrook |
| Happy Birthday, Erwin | Let It Ride!
| Evans, Livingston |
| Happy Birthday, Harold! | Surprise!
| Sokolof Javitch |
| Happy Birthday, Mrs. J. J. Brown | Unsinkable Molly Brown, The
| Willson |
| Happy Days | Hans Christian Andersen
| Loesser |
| Happy Days | Lisbon Story, The
| Davies |
| Happy Days Are Here Again | Chasing Rainbows
| Ager |
| Happy Easter | Easter Parade
| Berlin |
| Happy End | Joe de Musical
| Dijk |
| Happy Ending | Fantasticks, The
| Schmidt |
| Happy Ending | Faust
| Newman |
| Happy Ending | Pirate Movie, The
| Sullivan, Sullivan |
| Happy Ending | Little Mermaid, The
| Menken |
| Happy Endings | Bombay Dreams
| Rahman |
| Happy Families | Prodigal
| Frank |
| Happy Family | Scrambled Feet
| Driver, Haddow |
| Happy Feelin' | Frankie and Johnny
| Cobert |
| Happy Feet | King of Jazz
| various |
| Happy Go Lucky | Happy Go Lucky
| McHugh |
| Happy Guy | Greenwich Village, U. S. A.
| Bargy |
| Happy Guy | Little Boy Goes to Hell
| Nichols |
| Happy Habit | By the Beautiful Sea
| Schwartz |
| Happy Harvest | Summer Stock
| Arlen, Warren |
| Happy Heart | Junior Miss
| Lane |
| Happy Hickory | Songbook
| Norman |
| Happy Holiday | Holiday Inn
| Berlin |
| Happy Holiday | White Christmas
| Berlin |
| Happy Holidays | Betty Rules
| Palmer, Ziff, Ziff |
| Happy Hunting | Happy Hunting
| Karr |
| Happy Hunting Horn | Pal Joey
| Rodgers |
| Happy in the Morning | Woman of the Year
| Kander |
