Lisa may refer to:
- "Lisa" - A song written by Rivers Cuomo, named for Lisa Cavallo, daughter of Bob Cavallo (the founder of Weezer's management firm, Third Rail).
- Lisa Cuomo - The sister of Rivers Cuomo.
- Lisa Eubank - Administrator of the Weezer Fan Club Facebook group since 2014.
- A woman Rivers Cuomo described as his "second love" in 2020, with whom he also lived for a few months in the spring of 1990, after his band was evicted. Presently works as a math professor.
- A musician. Performed as a member of the Rentals on the band's brief Japanese tour in 1999.
- "Oh Lisa" - A Green Album-era b-side released in 2001.