A list of references, parodies, homages and shout-outs to the How to Train Your Dragon franchise.
- Be Cool, Scooby-Doo!: There is an episode titled "How to Train Your Coward".
- As a fellow DreamWorks Animation-property, Trollhunters makes several references to the How to Train Your Dragon Franchise.
- In "Becoming: Part 1", the screensaver on Jim's laptop shows an image of Toothless before briefly cutting off as Jim activates the Amulet.
- In "To Catch a Changeling", it is shown that the Gumm-Gumms switched the Killahead Bridge with that of a Viking ship from How to Train Your Dragon to cover their tracks.
- In "Recipe for Disaster", the meat Jim serves for dinner looks identical to the yak-chops Heather serves the Dragon Riders in the Dragons: Riders of Berk episode "To Heather of Not To Heather".
- The board and pieces used by Blinky, Draal and Aaarrrgghh!!! for their roleplaying game in "Just Add Water" bares a resemblance to a Maces and Talons board.
- MAD had a segment called "So You Think You Can Train Your Dragon How to Dance" that parodies not only HTTYD but So You Think You Can Dance.