| Term | Full Form | Category |
|---|---|---|
| YCO | Kuglutuk Coppermine, NorthWest Territories, Canada | Others |
| YCO | Yacht Club Olivos | Others |
| YCO | Yeast Codon Optimized | Others |
| YCO | York College Observatory | Others |
| YCO | Youth Chamber Orchestra | Others |
| YCO | Youth Charitable Organisation | Others |
| YCO | Youth Charitable Organization | Others |
| YCO | Youth Concert Orchestra | Others |
| YCO | Youth Correctional Officer | Others |
| YCO | Youth Corrections Officer | Others |