Spook

• An alternative term (Dutch, from Middle Dutch spooc) for a ghost
• A colloquial term for a spy or a member of the Central Intelligence Agency
• A derogatory term for a Black man
• Spook (band), an Australian trip hop band
• A character from The Wardstone Chronicles
• Spook: Science Tackles the Afterlife, an irreverent book about the study of life after death, by Mary Roach
• A character from Top Cat

Spooks can mean:

• Spooks, a UK TV show (called MI-5 in the US)
• The Spooks, a band
• Spooks!, a Three Stooges film