Justin Theroux is 54 years old as of 2026.

Quick Scoop: How old is Justin Theroux?

  • Justin Theroux was born on August 10, 1971, in Washington, D.C.
  • Multiple entertainment and biography sites list his age as 54.
  • That means he will turn 55 on August 10, 2026.

A bit of context

Justin Theroux is an American actor, writer, and producer known for roles in Mulholland Drive , American Psycho , and the HBO series The Leftovers , and for co-writing Tropic Thunder and Iron Man 2. He’s also been in the news recently for his marriage to Nicole Brydon Bloom and their growing family, which keeps his name trending in celebrity and forum discussions.

TL;DR: Justin Theroux is 54 years old, born August 10, 1971.

Information gathered from public forums or data available on the internet and portrayed here.