- "The Incendio charm has also been utilised for rather more nefarious gain. For example, young wizards and witches have been known to set fire to the trousers of a smaller child to extort sweets or contraband from them. Unless the unfortunate victim knows an extinguishing charm, they may run around for days with the seat of their pants in flames."
- —A Hogwarts Library book[src]
- Rubeus Hagrid: "Four... so it's one fer each o' the champions, is it? What've they gotta do — fight 'em?"
- Charlie Weasley: "Just get past them, I think. We'll be on hand if it gets nasty, Extinguishing Spells at the ready. They wanted nesting mothers, I don't know why... but I tell you this, I don't envy the one who gets the Horntail."
- — Charlie Weasley on the dragons for the First Task of the Triwizard Tournament[src]
When Cho Chang accidentally set Marietta Edgecombe's sleeve on fire by incorrectly pronouncing the incantation of the Disarming Charm, Marietta put the fire out with her wand, presumably using an Extinguishing Spell, although this may have also been the Water-Making Spell.
- Harry Potter and the Chamber of Secrets (video game) (Mentioned only)
- Harry Potter and the Goblet of Fire (First mentioned)
- Harry Potter and the Order of the Phoenix (Possible appearance)