| Singer Martin, to friends | 25 |
| Singer Martin | 13 |
| Singer Mars | 11 |
| Singer married to Heidi Klum | 28 |
| Singer Marni ___ | 16 |
| Singer Marni | 12 |
| Singer Marilyn or Lena | 22 |
| Singer Marilyn | 14 |
| Singer Marie on the Vegas scene | 31 |
| Singer Marie | 12 |
| Singer Marian | 13 |
| Singer Mariah ___ | 17 |
| Singer Mariah | 13 |
| Singer Marc with the 1991 hit "Walking in Memphis" | 60 |
| Singer Mann with a "Big Lebowski" role | 48 |
| Singer Mann | 11 |
| Singer Manilow | 14 |
| Singer Mandrell | 15 |
| Singer Manchester et al. | 24 |
| Singer Manchester | 17 |
| Singer Makeba | 13 |
| Singer Mahal | 12 |
| Singer MacNeill, for one | 24 |
| Singer MacNeil, for one | 23 |
| Singer MacNeil | 14 |
| Singer Lynn | 11 |
| Singer Lyle | 11 |
| Singer LuPone | 13 |
| Singer Luft | 11 |
| Singer Lucrezia | 15 |
| Singer Lucine | 13 |
| Singer Lovich | 13 |
| Singer Lovett | 13 |
| Singer Love who was one of the subjects of "20 Feet From Stardom" | 75 |
| Singer Love of 60's pop | 27 |
| Singer Lovato | 13 |
| Singer Lou ___ | 14 |
| Singer Lou from Chicago | 23 |
| Singer Lou | 10 |
| Singer Lotte | 12 |
| Singer Lorna | 12 |
| Singer Loretta ___ | 18 |
| Singer Loretta | 14 |
| Singer Lopez | 12 |
| Singer Lola | 11 |
| Singer Logan | 12 |
| Singer Loeb et al. | 18 |
| Singer Loeb | 11 |
| Singer Loaf | 11 |
| Singer Liza's half-sister | 29 |
| Singer Liz | 10 |
| Singer Little ___ | 17 |
| Singer Lisa with the 1994 #1 hit "Stay" | 49 |
| Singer Lisa et al. | 18 |
| Singer Lisa and newspaper publisher William | 43 |
| Singer Lisa and kidnapper Richard | 33 |
| Singer Lisa and a Darrow client | 31 |
| Singer Lisa | 11 |
| Singer Lionel | 13 |
| Singer Linda | 12 |
| Singer Lily | 11 |
| Singer like Bing or Frank | 25 |
| Singer Lewis with the 2008 #1 hit "Bleeding Love" | 59 |
| Singer Lewis | 12 |
| Singer Levine of "The Voice" | 38 |
| Singer Levine | 13 |
| Singer Lesley ___ | 17 |
| Singer Leontyne | 15 |
| Singer Leon | 11 |
| Singer Lenya or Lehmann | 23 |
| Singer Lenya | 12 |
| Singer Lennox | 13 |
| Singer Lennon and others | 24 |
| Singer Lennon | 13 |
| Singer Lena or Marilyn | 22 |
| Singer Lena | 11 |
| Singer Lemper | 13 |
| Singer Lehrer | 13 |
| Singer Lehmann or Lenya | 23 |
| Singer Lehmann | 14 |
| Singer Lee whose 2011 album "Mission Bell" is the worst-selling #1 album ever | 87 |
| Singer Lee from Atlanta | 23 |
| Singer Lee | 10 |
| Singer learning a script | 24 |
| Singer LeAnn | 12 |
| Singer Lawrence | 15 |
| Singer Lavigne | 14 |
| Singer Lauper | 13 |
| Singer Lanza | 12 |
| Singer Lanny or Diana | 21 |
| Singer lang et al. | 18 |
| Singer lang | 11 |
| Singer Lane | 11 |
| Singer Lana ___ Rey | 19 |
| Singer Lana Del __ | 18 |
| Singer LaMontagne | 17 |
| Singer Lambert, runner-up on the 2009 "American Idol" | 63 |
| Singer Lambert | 14 |
| Singer Laine's namesakes | 28 |
| Singer Laine et al. | 19 |