YC
YC is an abbreviation for:
- Yacht club
- License plate, UK: Leeds
- License plate, Norway: Mo i Rana
- Yottacoulomb, SI unit for 10 24 Coulomb, see prefixes for units of measurement # SI prefixes
Y / C stands for:
- S-Video , a video interface
yC stands for:
- Yoctocoulomb, SI unit for 10 −24 coulomb