* Lincoln Loud (the main character)
* Lori Loud (the oldest)
* Leni Loud (the second oldest)
* Luna Loud (the third oldest)
* Luan Loud (the fourth oldest)
* Lynn Loud (the fifth oldest)
* Lucy Loud (the sixth oldest)
* Lana Loud (the seventh oldest)
* Lola Loud (the eighth oldest)
* Lisa Loud (the ninth oldest)
* Lily Loud (the youngest)