Katherine Ross and variants may refer to:
- Catherine L. Ross, American educator
- Catherine Sheldrick Ross (1945–2021), Canadian professor and dean
- Catherine Ross (born 1951), founder of Museumand, a UK museum of Caribbean heritage
- Kate Ross (1956âÂÂ1998), American author
- Katharine Ross (born 1940), American actress
- Katherine Ross (scientist), British marine biologist
- Katherine Ross (died 1697), Scottish Covenanter, memoirist and schoolmistress
- Kathryn Ross (rower) (born 1981), Australian Paralympic rower
- Kathryn Ross (writer) (born 1966), British writer