-TNG season 1 jumpsuit
-TNG season 3-7 uniform
-"Q as Data" in "Hide and Q"
-12th century monk in "Hide and Q"
-French Marshall's uniform
-Starfleet Admiral dress uniform
-US Army General uniform
-21st century drug-addict security guard
-17th century sailing captain uniform (the pirate costume)
-"These aren't my colors!" jumpsuit from "Deja Q"
-Sheriff of Nottingham costume
-white "God" robes
-Flower delivery man "I'm looking for a John-Luck Pickerd!"
-Bartender outfit at the Bonestell bar
-"Grandpa" Q in "All Good THings..."
Close but not quite, by my count