text: Brian O'Sullivan (disambiguation)
  
  Brian O'Sullivan is a hurler for Waterford.
  
  Brian or Bryan O'Sullivan may also refer to:
  
  Brian O'Sullivan (Gaelic footballer), see Noel O'Leary
  Brian O'Sullivan (swimmer), participated in Swimming at the 2011 European Youth Summer Olympic Festival
  Bryan O'Sullivan, Limerick hurler
  Bryan O'Sullivan (computer programmer), technical writer, programmer; leading author of the Real World Haskell book
  
  See also
  Brian Sullivan (disambiguation)