Forties may refer to:
40s, the years 40–49 AD 1940s, the years 1940–1949 Long Forties, area in the North Sea The Forties shipping forecast area (roughly corresponding to the Long Forties) Forties oilfield in the North Sea Forties pipeline system Roaring Forties, strong westerly winds found in the Southern Hemisphere Forty-ounce or forty, a glass bottle that holds 40 fluid ounces of malt liquor or beer