Old man may refer to the following:
Unamed[]
- Old man: The disguise of Lt. Tomoro in the Scooby-Doo, Where Are You! episode A Tiki Scare is No Fair.
- Old man: Someone who warned Mystery Inc. in the Marvel Comics story, ':Mystery at Malibu.
- Old man: The disguise of Purvis Parker in the A Pup Named Scooby-Doo episode The Spirit of Rock'n Roll.
- Old man: A criminal who disguised himself as a Hedgehog monster in the DC Comics story Stubble Trouble.
- Old man: Someone who warned Mystery Inc. away in Map in the Mystery Machine, a novel in Scholastic's Scooby-Doo Readers series.
- Old man: The disguise of Charanjot from the SDWoM story, Catch that Cobra!!.
- Old man: A citizen of Italy in the Scooby-Doo and Guess Who? episode Fear of the Fire Beast!.
Named[]
- Old Man Wiggins: A guy who dressed up as Mace Middlemost in the psp version of Scooby-Doo! Who's Watching Who?.
- Old Man Frickert: A farmer mentioned in Scooby-Doo! Curse of the Lake Monster
- Old Man Drummond: A criminal who haunted a Construction site as a Mummy Ghost from the BCSD episode Some Fred Time.
- Old Man Davidson: A guy who wanted to go to the Moon in the stop motion short, The Case of the Scooby Snack Specter.