Quarterlife (stylized as quarterlife) is an American web series, also briefly an NBC television series in 2008, created by Marshall Herskovitz and Edward Zwick, the creators of Thirtysomething and Once and Again, and producers of My So-Called Life. The show is about a group of twenty-something artists who are coming of age in the digital generation.

Following the dismal reception of the premiere episode of the NBC television show as it coincided with a televised democratic primary debate with President Obama and Hillary Clinton, the other five episodes were aired in a marathon on NBC Universal sibling channel Bravo on March 9, making Quarterlife one of the few television shows to be canceled after one episode.

The regular cast included Bitsie Tulloch, Kevin Christy, Mike Faiola, Scott Michael Foster, Michelle Lombardo, Maïté Schwartz, and David Walton.