Krystyna Hołuj-Radzikowska (5 February 1931, Lwów – 29 November 2006) was a Polish chess Woman Grandmaster (WGM). She was nine-time Polish Women's Champion (1951, 1952, 1953, 1955, 1956, 1957, 1959, 1966, and 1969). She was awarded the Woman International Master (WIM) title in 1955 and the WGM title in 1984.
Hołuj-Radzikowska tied for 15–16th at the Moscow 1955 Candidates Tournament which was won by Olga Rubtsova. She tied for 7–8th at the Ohrid 1971 Candidates Tournament won by Nana Alexandria.
She played for Poland five times in the Women's Chess Olympiads:
Hołuj-Radzikowska won the individual gold medal on board one in Emmen 1957.