| Acronym | Definition |
|---|
| YC | Prototype Cargo (US military aircraft designation) |
| YC | Y Combinator (venture capital; Mountain View, CA) |
| YC | Yacht Club |
| YC | Yellow Card (soccer) |
| YC | Yuba City (city in Northern California) |
| YC | Yellowcard (band) |
| YC | Yale College |
| YC | Youth Club |
| YC | Youth Conference |
| YC | Yard Craft (US Navy) |
| YC | Yankee Clipper (amusement park ride) |
| YC | You're Crazy (Guns N' Roses song) |
| YC | Young Company (Creative Marketing Communications, Laguna Beach, CA) |
| YC | Youth for Christ |
| YC | Youth Councillor (various organizations) |
| YC | Yamhill-Carlton |
| YC | Youth Church (various organizations) |
| YC | Open Lighter (Non Self-Propelled) |
| YC | Yoshi's Cookie (video game) |
| YC | Young Coders |
| YC | YiffChat (website) |
| YC | Young Cumbria |
| YC | District Lighter Open (US Navy) |