Martha B. Hudson (later Pennyman, born March 21, 1939) is a retired American sprinter. She won a gold medal in the 4 × 100 m relay at the 1960 Olympics, but failed to reach the final of the individual 100 m event. In 1959 she held the AAU indoor 100 yd title. In 1986 she was inducted into the Georgia Sports Hall of Fame.