Songs are by Tesori and Scanlan, unless otherwise noted.
- Act I
- "Overture" — Orchestra
- "Not for the Life of Me" — Millie
- "Thoroughly Modern Millie" — Millie & Moderns
- Music by Jimmy Van Heusen and lyrics by Sammy Cahn
- "Not for the Life of Me (Tag)" — Millie & the Hotel Girls
- "How the Other Half Lives" — Millie & Miss Dorothy
- + "How the Other Half Lives (reprise)" - Millie and Miss Dorothy
- "Not for the Life of Me (Reprise)" — Bun Foo and Ching Ho
- "The Speed Test" — Trevor Graydon, Millie, Stenographers & Office Singers
- Elements taken from "My eyes are fully open" by Gilbert and Sullivan
- "They Don't Know" — Mrs. Meers
- "The Nuttycracker Suite" - Orchestra
- Elements taken from Tchaikovsky's Nutcracker Suite
- "What Do I Need with Love?" - Jimmy
- "Only in New York" — Muzzy
- "Jimmy" — Millie
- Music and lyrics by Jay Thompson
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- Act II
- "Entr'acte" — Orchestra
- "Back at Work"- Millie, Miss Flannery, Women Office Singers
- "Forget About the Boy" — Millie, Miss Flannery, Women Office Singers, Stenographers
- "Ah! Sweet Mystery of Life/Falling in Love with Someone" — Trevor Graydon and Miss Dorothy
- Cover of "Ah! Sweet Mystery of Life" by Victor Herbert
- "I Turned the Corner/Falling in Love with Someone (Reprise)" — Millie, Jimmy, Miss Dorothy, Trevor Graydon
- "Muqin" — Mrs. Meers, Bun Foo, Ching Ho
- Cover of "My Mammy", music by Walter Donaldson and lyrics by Joe Young and Sam M. Lewis
- "Long as I'm Here with You" — Muzzy & Muzzy's Boys
- "Gimme Gimme" — Millie
- + "The Speed Test (Reprise)" — Millie, Trevor Graydon, Jimmy
- + "Ah! Sweet Mystery (Reprise)" — Miss Dorothy and Ching Ho
- "Thoroughly Modern Millie (Reprise)" — Jimmy, Miss Dorothy & Moderns
- "Curtain Call/Bows" — Cast
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+ not included in Broadway Cast Recording
An original Broadway cast recording is available on the RCA Victor label.