Christa may refer to:
- 1015 Christa, an asteroid
- Janusz Christa (born 1934), Polish author
- Christa (given name), a female given name
People with the given name Christa:
- Christa Ackroyd (born 1957), television and radio presenter
- Christa B. Allen (born 1991), American child actress
- Christa Bauch (born 1947), professional bodybuilder
- Christa Borden (21st century), Canadian pop singer
- Christa Calamas (21st century), former Secretary of the Florida Agency for Health Care Administration
- Christa Campbell (born 1973), American actress and model
- Christa Czekay (born 1944), retired West German sprinter
- Christa Faust (born 1969), American author
- Christa Fontana (20th century), Italian luger
- Christa Gannon (20th century), American basketball player
- Christa Gietl (born 1977), Italian luger
- Christa Hughes (21st century), Australian singer
- Christa Johnson (born 1958), American golfer
- Christa Kinshofer (born 1961), retired German alpine skier
- Christa Klaß (born 1951), German politician
- Christa Klecker (20th century), Austrian luger
- Christa Luding (born 1959), former speed skater and track cyclist
- Christa Ludwig (born 1928), German retired mezzo-soprano
- Christa McAuliffe (1948–1986), American teacher and astronaut
- Christa Miller (born 1964), American actress
- Christa Pike (born 1976), youngest woman to be sentenced to death in the United States
- Christa Päffgen (more famously known under the pseudonym Nico) (born 1938), German fashion model, later actress & singer
- Christa Prets (born 1947), Austrian politician
- Christa Rigozzi (born 1983), Miss Switzerland 2006
- Christa Sauls (born 1972), American model and actress
- Christa Schroeder (1908–1984), one of Nazi dictator Adolf Hitler’s personal secretaries
- Christa Speck (born 1942), German model and actress
- Christa Staak (21st century), German rower
- Christa Stubnick (born 1933), East German athlete
- Christa Williams (born 1926), German pop singer
- Christa Winsloe (1888–1944), German novelist, playwright and sculptor
- Christa Wolf (1929–2011), German literary critic, novelist, and essayist
- Christa Worthington (1956–2002), American fashion writer