Saturday (2005) is a novel by the British author Ian Mc Ewan that charts the day of a 48 year old London neurosurgeon called Henry Perowne. It won the James Tait Black Memorial Prize for 2005. The novel is set on Saturday, 15th February 2003 against the backdrop of the huge demonstration against the invasion of Iraq.
"Saturday" is a single by Fall Out Boy from their 2003 album Take This to Your Grave. It is still incorporated into their set lists and is commonly played last at their shows. The lyric was written by Patrick Stump.