Division No. 1, Subdivision Y is an unorganized subdivision on the Avalon Peninsula in Newfoundland and Labrador, Canada. It is in Division 1 on Trinity Bay.
According to the 2016 Statistics Canada Census:
- Population: 1,118
- % Change (2011 to 2016): -4.9
- Dwellings: 857
- Area: 190.87 km<sup>2</sup>
- Density: 5.9 people/km<sup>2</sup>