Thomas O'Sullivan (disambiguation)

Thomas O'Sullivan was an Australian politician.
Thomas or Tom O'Sullivan may also refer to:

Sportspeople

Tom O'Sullivan (Dingle [Gaelic footballer)], Kerry Gaelic footballer
Tom O'Sullivan (Rathmore Gaelic footballer), Kerry Gaelic footballer
Tom O'Sullivan (hurler), Irish hurler
Tommy O'Sullivan, Welsh footballer
Other
Tom O'Sullivan (actor), Australian television, film and theatre actor
Thomas C. O'Sullivan, American politician
Tomás [Rua Ó Súilleabháin], Irish poet