- I Am Hunter
- I AM We
- I Just Wanna Be Hiker Trash (Thru-hikers, Backpackers, and Outdoor Adventurers)
- I Love Running's Podcast
- I Love Trails Podcast
- I Will Hunt
- Ice Fishing Radio
- Icelandic horse podcast
- Ich hasse laufen
- Idaho Public Land Summit
- Iditapod
- If A Tree Falls
- Imamesstoo
- Impact Outdoors Podcast
- IMPACT.
- Imposters and Gurus
- IMTalk's Legends of Triathlon
- In a tent with a French man : A Thru hiking Via Adriatica journal
- In and Out with Wil Treasure
- In Between Swims: The Whitewater Podcast
- In Over Your Waders
- In the Blind With Combat Waterfowl
- In the Box
- In The Elements
- In the Field
- In The Field Camping
- In The Film A - Fly Fishing Podcast by Maine Fly Guys
- IN The Grill Room with Bob & Jay
- In the Kitchen Garden with Mickey
- In The Presence
- In the Seam with JP Ross Fly Rods & Co. fly fishing and much more
- In the Spirit of Horse
- In The Sticks Overland Podcast
- In The Views
- In the Wilderness
- In The Woods With DDSA
- Incêndios na Amazônia
- Indiana Deer News Podcast
- Indiana Kayak Anglers Podcast Series
- Individuell Unterwegs
- Infawmation Nation
- Ingma UW-Video Podcast
- Inland-Surfer
- Inside AJ’s head
- Inside Bassmaster Podcast
- Inside Enduro
- Inside Geocaching HQ Podcast
- Inside The Adventure
- Inside Geocaching HQ Podcast
- Inside The Adventure
- Inside The Line: The Catskills
- Inside the Outdoors
- Inside Tri Show
- Inside Vermont Show
- Insider's Look at Grand Canyon, Video
- Insights
- Inspiration For A Monday
- Inspiration für Reiter und Pferd - der DreamUpTeam-Podcast
- Inspirer_Osez!
- Insurgency Knitting Circle Podcast
- Intentional Discharge
- Into the Backing
- Into the Wild
- Into The Wilderness with Byron Pace
- Intrepid Aotearoa
- Introduction
- INvironments
- Iowa Hunt & Fish - Sportsmen's Nation
- Ireland on the Fly
- Irish Sports Daily Podcast
- Islandshästpodden