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Comedy fan(atics) rejoice: the official iO Fest 2024 lineup is here and it is jam-packed with talent. July 25 – 28, Chicago’s largest improv festival will take place right here at iO Theater, featuring 70+ acts from around the globe. Celebrate Chicago’s vibrant comedy scene with four days of improv, sketch, and stand-up along with specialty workshops and talkbacks with headliners & other special guests. iO is thrilled to bring a comedy fest of this scale back to Chicago; in 2018 & 2019, iO Theater produced Bentwood Comedy Festival, which featured headlining acts like Jordan Klepper (The Daily Show, The Opposition), Sarah Sherman (Saturday Night Live), Chris Redd (Saturday Night Live), TJ Jagodowski & Dave Pasquesi, Beer Shark Mice ft. Dave Koechner & Neil Flynn, Cook County Social Club, 3PEAT, Hello From The Magic Tavern, Cards Against Humanity, and many more. 


And now, we’re thrilled to share the inaugural iO Fest lineup with you all in its near-entirety – follow us on social media & sign up for our newsletter to stay in-the-know about specialty workshops, talkbacks, and additional headliner announcements as they continue to roll out: instagram | X | facebook


iO Fest Headliner tickets and 4 Day Passes on sale now. Early bird pricing currently in effect for 4 Day Passes – act fast before prices increase! 4 Day Passes include admission to all iO Fest performances, with the exception of headlining acts. Visit headliner pages to purchase tickets for the following performances separately: Meadows, Walsh & Friends / Ryan Asher and her Famous Hollywood Friends / The Improvised Shakespeare Company 

All ticket holders will receive an email from iO Theater two weeks prior to the start of the festival with important information including check-in procedures and more. Keep an eye on that inbox! 


Meadows, Walsh & Friends / Ryan Asher and her Famous Hollywood Friends / The Improvised Shakespeare Company / Messing with John Lehr / Whirled News Tonight 20th Anniversary / ¿Que? / Anarchy / anundpfirsich / Awkward Family Dinner / Basketball Crush / Behemoth / Big Deborah / Big Freak / Big Whoop! / Birdlady / Branded Silk / Chicken Big / ComedySportz / Creamboy / Devil’s Daughter / Dor Bel & Friends / Duchovny / Dumb John / Escándalo! / Flavaflavorflavour / Full of Bones / Ghost Baby / Havana Club / HR Shovin’ Stuff / Icarus / Improvised Jane Austen / Industrial Kitchen / Jet City Improv’s SuperSonicShow / Kaplan Bros / Katie Rae Horn / Kismet / Kittyhawk Musical Improv / Kohl’s Cash / Laser Comedy Show / Late Night Shenanigans / Lil Sluggers / Lost in Time: Music Improv / MAX / MAYHEM / Measure Island / Melk / Mercy Santos (God’s Favorite Improv Team) / Mo and Ralph / Mockumentary Now! / Not Your Mother’s Daughters / NY’s Finest / People Presenting Things / People’s Sketch Revue / Phony Award Winning / Public Breakup / Pyramid Funnel / Rails Comedy / Ricochet / Satirical Race Theory / Schmooty / Sissy Vanya / soft / Sparkle Hour / Spellbound / Stank! / Stay Funny. Stay Scared. / Stir Friday Night / The Foundation / The One Four Fives: An Improvised Musical / The Salty Nuts / Three Kings / Trapped in a Musical / Very Good Boys / Voila! The Improvised Musical / Whimsy Lohan / Young Douglas