Chis or CHIS may refer to:
Chis, France, a commune in France Chi, plural chis Chi Alpha Delta, or Chis, an American sorority Covert human intelligence source, or CHIS Chiș, Romanian surname, people with the name include: Cătălin Chiș (born 1988), football player (born 1950), politician (1913-1981), mathematician and astronomer
See also Chis and Sid, an English grammar school