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 Kathy Sullivan (Australian politician) (born 1942), Kathryn Sullivan, former Australian politician Kathy Sullivan (Katherine Sullivan), married name of the fictional character Kathy Beale
See also Kathy Sullivan (disambiguation) Kate Sullivan (disambiguation) Katie Sullivan (disambiguation) Kathleen Sullivan (disambiguation)