Shameless is een Britse dramedyserie van de zender Channel 4. De serie ging in première op 13 januari 2004.
Shameless toont het leven van de familie Gallagher in Manchester. De familie bestaat uit vader Frank Gallagher en zijn zes kinderen: Fiona, Lip (Phillip), Ian, Carl, Debbie en Liam. Andere karakters uit de serie zijn: Fiona's vriendje Steve, autodief; Kev and Veronica, de goeie buren Kash, plaatselijke winkelier en zijn vrouw Yvonne, agoraphobische Sheila en haar dochter Karen en de politieagenten Tony and Stan.
Maxine is desperate to make a good impression at her parents' party so cajoles Ian into pretending to be her boyfriend. He reluctantly agrees, but their act unearths deep feelings that take everyone by surprise. Meanwhile, Carl realises what he's lost by splitting up with Maxine so he is determined to win her back. But Carl soon finds love and hate are two sides of the same coin when Micky reveals a painful secret. At the Jockey, Mimi does her best to conceal Karen's illness after she returns from the psychiatric unit. While Karen settles back into Chatsworth life, Jamie struggles to cope with the reality of living with mental illness. Escaping for a night out, Jamie meets Michelle, a Madame of a thriving male Escort Agency who plans to seduce him into a murky but lucrative new job.