The Lizard Lounge is a nightclub situated in between Harvard Square and Porter Square on Massachusetts Avenue in Cambridge, Massachusetts. It is below the restaurant Cambridge Common. It may be a small basement bar, but it is known for the musicians it hosts. The owners also own Cambridge Common, West Side Lounge, and Toad – another live music venue. They carry a large selection of beers, including many local ones such as those made at Cambridge Brewing Company.