Lesson No.1
# Lesson No.1

Lesson No.1 or Lesson 1 or Lesson One may refer to:

* Lesson 1, a music mix by Double Dee and Steinski
* Lesson 1, a 2013 album by E-girls
* Lesson 1 (Red Warriors album), 1986
* Lesson One: Misanthropy!, an album by Death in June
* Lesson No. 1, a 1980 Glenn Branca EP
* Lesson No.1, a 2006 sampler album by Imperial Recordings
* "Lesson One", a 1962 single by Russ Conway
* "Lesson No.1", a song by Viva Voce from The Heat Can Melt Your Brain
* "Lesson #1", a song by Anthony Rapp from Look Around
