Let's Go may refer to:
- A concert, performed by the voice actresses of the main characters
- A song featured on each respective "Character Image Song Volume" (related to the first season of the anime) of the members of the Light Music Club's band Ho-kago Tea Time:
- The instrumental version of the "Character Image Song"
- A version which is a mix of all five previous versions, combined to one song
- Additionally, the game K-ON! Ho-kago Live!! features an alternative version for each respective band member: