- I Will Love You by The Lettermen
- Just a Little Bit of Rain by The Stone Poneys
- Kansas City by Lou Rawls
- Kentucky Means Paradise by Glen Campbell
- La Bamba by Glen Campbell prod. by Kermit Walter
- Land Ahoy by The Beach Boys prod. by Brian Wilson & Murry Wilson
- Land of 1000 Dances by The Walker Brothers prod. by John Franz
- Lemmon Princess by The Leaves
- Lemon Haired Ladies by Dory Previn
- Let It Be Me by The Lettermen
- Let's Get Together by The Stone Poneys
- Let's Get Together by The Leaves
- Let's Go Trippin by The Beach Boys prod. by Brian Wilson
- Little Girl (You're My Miss America) by The Beach Boys
- Little Honda by The Hondells
- Lonely Girl by The Paris Sisters prod. by Ben-Ven Productions
- Lonely Little Girl by The Lettermen
- Lonely Winds by The Walker Brothers prod. by John Franz
- Lonesome Jailhouse Blues by Glen Campbell
- Lonesome Twelve by Glen Campbell prod. by Kermit Walter