Jim Kroupa (sometimes credited as James J. Kroupa) is a puppeteer and puppet builder who has worked on several Muppet projects. He is a co-owner of 3/Design Studio, which has built puppets for shows such as Eureeka’s Castle, Between the Lions, The Great Space Coaster, Wimzie's House, and It's A Big, Big World.
- The Muppets Take Manhattan
- Little Muppet Monsters: Penguin (conductor)
- Sesame Street: Lovey
- Count it Higher: Great Music Videos from Sesame Street
- Sing Yourself Silly!
- Rock & Roll!
- Dance Along!
- Sesame Street Jam: A Musical Celebration: Leo Birdelli
- Sesame Street Stays Up Late
- The Wubbulous World of Dr. Seuss: Annoying Greebles, Dad Jalloo, Doily-Cart, Mr. Wimpletwerp, Space Creature, Zippedy Quick
- Bear in the Big Blue House: Jeremiah Tortoise, Benny the Bat, Otto Otter, Ferret Jeeter, Various
- The Best of Kermit on Sesame Street
- The Producers: Pigeons
- A Muppets Christmas: Letters to Santa
- The Muppets: Rebuilt Thog
- Lomax, the Hound of Music: Clark
- Eureeka's Castle: Batly
- Gullah Gullah Island: Chansome the Pelican