Ian McKellen is 86 years old as of 2026.

Because your question is written “ian mcclellan,” it might be mixing up two different people:

  • The famous British actor Ian McKellen (Gandalf in “The Lord of the Rings,” Magneto in “X‑Men”) was born on May 25, 1939, which makes him 86 in 2026.
  • There is also a younger Canadian filmmaker named Ian McClellan , born January 4, 2002, so he would be 24 in 2026.

Most people asking “how old is ian mcclellan” online are usually referring to Sir Ian McKellen, so the likely intended answer is 86 years old.

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