Catherine Sullivan (disambiguation)

Catherine, Katherine or Kathryn Sullivan may refer to:


 * Kathryn D. Sullivan (born 1951), retired NASA astronaut, first American woman to walk in space
 * Catherine Sullivan (born 1968), Chicago based artist
 * Cathryn Sullivan, American acting coach
 * Kathy Sullivan (Australian politician) (born 1942), Kathryn Sullivan, former Australian politician
 * Kathy Sullivan (Katherine Sullivan), married name of the fictional character Kathy Beale