- New Hard Times by The Stone Poneys
- No Other Love by The Lettermen
- Not for Me by Bobby Darin
- No Vacancy by Glen Campbell
- Now You're Gone by Bobby Darin
- Officer Shayne by The Leaves
- Oh, Lonesome Me by Bobby Darin
- Oh My Darlin' by Glen Campbell
- Ol' Man River by Lou Rawls
- On Broadway by Bobby Darin
- Once Upon a Time by The Paris Sisters
- Once Upon a Time by The Lettermen
- One for One by The Stone Poneys
- One Hundred Miles Away from Home by Glen Campbell
- One in the Middle by The Leaves
- On the Plane by The Leaves
- Orion by The Stone Poneys
- Our Day Will Come by Bobby Darin
- Please Help Me I’m Falling (In Love with You) by Bobby Darin