Séamus Ryan (disambiguation)

Séamus Ryan (1895–1933) was an Irish politician.

Seamus Ryan can also refer to:


 * Séamus Ryan (hurler), Irish priest, lecturer and hurler
 * Seamus Ryan (photographer) (born 1964), Irish photographer
 * Esoteric (rapper) (born 1975), an underground hip-hop artist
 * Seamus Ryan (character), a Sons of Anarchy character