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:
in 1957, at 1st board in the 1st Women’s Chess Olympiad in Emmen, the Netherlands (+9−2=0);
in 1963, at 2nd board in the 2nd Women’s Chess Olympiad in Split (+2−4=2);
in 1966, at 1st board in the 3rd Women’s Chess Olympiad in Oberhausen (+3−6=2);
in 1969, at 1st board in the 4th Women’s Chess Olympiad in Lublin (+3−3=4);
in 1972, at 1st board in the 5th Women’s Chess Olympiad in Skopje (+5−1=3).
Hołuj-Radzikowska won the individual gold medal on board one in Emmen 1957.