Krystyna Hołuj-Radzikowska (5 February 1931 – 29 November 2006) was a Polish chess player. She was awarded the titles Woman International Master (WIM) in 1955 and Woman Grandmaster (WGM) in 1984 by FIDE. Born in Lviv, she was nine-time Polish women's champion (1951, 1952, 1953, 1955, 1956, 1957, 1959, 1966, and 1969). Hołuj-Radzikowska tied for 15–16th places at the Moscow 1955 Women's Candidates Tournament, which was won by Olga Rubtsova. She tied for 7–8th at the Ohrid 1971 Interzonal Tournament, won by Nana Alexandria. She played for Poland five times in the Women's Chess Olympiad: