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 km²
• Density: 5.9 people/km²

Places adjacent to Division No. 1, Subdivision Y, Newfoundland and Labrador
Subdivision 1E Subdivision 1A Division No. 1, Subd. Y Subdivision 1M, Whitbourne Division No. 1, Subd. X

v t e Division No. 1, Newfoundland and Labrador (Avalon Peninsula)
Cities	Mount Pearl St. John's
Towns	Admirals Beach Aquaforte Arnold's Cove Avondale Bauline Bay Bulls Bay de Verde Bay Roberts Bishop's Cove Branch Brigus Brigus South Bryant's Cove Cape Broyle Carbonear Chance Cove Chapel Arm Clarke's Beach Colinet Colliers Come By Chance Conception Bay South Conception Harbour Cupids Fermeuse Ferryland Flatrock Fox Harbour Gaskiers–Point La Haye Hant's Harbour Harbour Grace Harbour Main–Chapel's Cove–Lakeview Heart's Content Heart's Delight–Islington Heart's Desire Holyrood Logy Bay–Middle Cove–Outer Cove Long Harbour–Mount Arlington Heights Mount Carmel–Mitchells Brook–St. Catherines New Perlican Norman's Cove–Long Cove North River Old Perlican Paradise Petty Harbour–Maddox Cove Placentia Point Lance Port Kirwan Portugal Cove–St. Philip's Portugal Cove South Pouch Cove Renews–Cappahayden Riverhead St. Bride's St. Joseph's St. Mary's St. Shott's St. Vincent's–St. Stephen's–Peter's River Salmon Cove Small Point–Adam's Cove–Blackhead–Broad Cove South River Southern Harbour Spaniard's Bay Sunnyside Torbay Trepassey Upper Island Cove Victoria Wabana Whitbourne Whiteway Winterton Witless Bay
Unorganized subdivisions	Subdivision A Subdivision B Subdivision C Subdivision D Subdivision E Subdivision F Subdivision G Subdivision H Subdivision I Subdivision J Subdivision K Subdivision L Subdivision M Subdivision N Subdivision O Subdivision R Subdivision U Subdivision V Subdivision W Subdivision X Subdivision Y
Designated places	Bellevue Bellevue Beach Blaketown Brigus Junction Brigus South Burnt Cove, St. Michael's, Bauline South Burnt Point-Gull Island-Northern Bay Calvert Cavendish Dildo Fairhaven Forest Field-New Bridge Freshwater, Conception Bay Georgetown Goulds Grates Cove Green's Harbour Hopeall Lance Cove, Bell Island Little Harbour (East), Placentia Bay Makinsons Markland Marysvale Mobile New Chelsea-New Melbourne-Brownsdale-Sibley's Cove-Lead Cove New Harbour, Trinity Bay North Harbour, St. Mary's Bay O'Donnells Old Shop Patrick's Cove-Angels Cove Roaches Line South Dildo Thornlea Tors Cove
Unincorporated communities	Admiral's Cove Arnold's Cove Station Baccalieu Island Bareneed Black Duck Pond Blow Me Down Bradley's Cove Bristol's Hope Caplin Cove Cuslett Daniel's Cove The Dock Flatrock Goobies Gooseberry Cove Gould's Road Great Barasway Gull Island Hibb's Cove Iona Job's Cove Kingston Little Barasway Little Placentia Sound Lower Island Cove Low Point Mahers Northern Bay Ochre Pit Cove Perry's Cove Point Verde Port de Grave Rantem Red Head Cove Rose au Rue St. Michaels Ship Harbour Swells Cove Trinny Cove Turks Cove Western Bay
See also: Municipalities of St. John's Metropolitan Area Census divisions of Newfoundland and Labrador