- UCast
- Ugly Pike Podcast
- UK Equestrians
- Ulligunde (p)lauscht
- Ultimate Bass Radio
- Ultra běžci
- Ultra Trail Runner
- Ultralight Gear Podcast
- Ultrarunnerpodcast.com
- Unbridled
- Uncharted: Seattle
- Unconventional Outdoorsman
- Uncovered
- Under Pressure Divecast | Recreational SCUBA Diving Education, Information, Tips and Gear Talk
- Under Pressure Outdoors Podcast
- Under the Texas Sky
- Under the Yoke
- UNDERGO
- Underneath it All
- Undervandsjagt & fridykning - Uvpodcast.
- Unelmia onkimassa
- Unequivocal Life
- UnGuided Outdoors
- Uni-ted Football Podcast
- Unlikely Stories Podcast
- Unload and Show Clear
- Unpacked
- Unpaved Podcast
- Untacked Equestrian Lifestyle of Horse Girl Angelea Kelly
- UNTACKED | Horses & Beyond For Wired Equestrians & Equine Enthusiasts
- Untamed Aotearoa
- Untangled with AC Fly Fishing
- Untamed Aotearoa
- Untangled with AC Fly Fishing
- Unterwegs
- Up North Journal Podcast
- Up Off the Couch Podcast
- Up the Cut
- Upchukar Podcast
- Uphill Athlete Podcast
- Upland Legacy Podcast
- Upland Nation
- Upstate On the Fly
- Urban Outdoors
- Urban Velo--Bicycle Culture on the Skids
- Urbex Archives Podcast
- USACommunique