Gerda Johanna Marie van der Kade-Koudijs (born October 29, 1923) is a former Dutch athlete.

Born Gerda Koudijs in Rotterdam, her greatest success was when she won the gold medal in the 4 x 100 m relay at the 1948 Summer Olympics, together with Xenia Stad-de Jong, Netty Witziers-Timmer, and Fanny Blankers-Koen. Two years earlier, she had already won the same event at the 1946 European Championships. At the London Olympics, Van der Kade-Koudijs also took part in the long jump, in which she missed out on a bronze medal by half a centimeter, and the 80 m hurdles, in which she was eliminated in the semi-finals.