Sean Barrett may refer to:
*
Seán Barrett (actor) (born 1940), British actor whose credits include Z-Cars
*
Sean Barrett (economist) (born 1944), Irish transport economist and Senator
*Seán Barrett (politician) (born 1944), Irish Fine Gael TD
*Sean Barrett (writer) (born 1959), American writer, nucleonicist, member of the Wikipedia Arbitration Committee
{{DEFAULTSORT:Barrett, Sean