The Humbug is a character in Norton Juster's book The Phantom Tollbooth

The Humbug (original French title Le Humbug), a short story by Jules Verne

HUM bug (e.g. Pseudomonas aeruginosa) a hydrocarbon utilizing microorganism living in jet fuel and causing microbial corrosion of fuel systems

Humbug (comics), a fictional character in the Marvel Comics universe

Humbug, an exclamation is closer to "nonsense, gibberish"

"Humbug (The X-Files episode)", an episode of the television series The X-Files

Humbug (Aboriginal), a slang term meaning begging in certain Aboriginal communities in Australia

Humbug (computer game), a computer game by Graham Cluley

Humbug (magazine), a humor magazine that began in August 1957

Humbug (sweet), a hard mint candy in the United Kingdom