Sigourney Weaver is 76 years old as of 2026.

Age and birth date

  • Sigourney Weaver was born on October 8, 1949, in New York City.
  • That birth date makes her 76 years old in early 2026, turning 77 on October 8, 2026.

Quick Scoop

  • Full name: Susan Alexandra “Sigourney” Weaver.
  • Known for iconic roles in the Alien films, Ghostbusters , and Avatar , she is often called the “queen of sci‑fi.”

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