ECKC
| Acronym | Definition |
|---|---|
| ECKC | Emerald City Kickoff Classic (Seattle, WA) |
| ECKC | Engineers Club of Kansas City (Kansas City, MO) |
| ECKC | Exeter Cathedral Keystones and Carvings (UK) |
| ECKC | Elm City Kennel Club (New Haven, CT) |
| ECKC | El Carmelo Kids' Club (Palo Alto, CA) |