Eriko Asai (浅井 えり子, Asai Eriko, born October 20, 1959) is a retired long-distance runner from Japan. She represented her native country in the women's marathon at the 1988 Summer Olympics in Seoul, South Korea. She won a gold medal winner at the 1986 Asian Games in Seoul, South Korea, and won the 1994 edition of the Nagoya Women's Marathon. She competed at a weight of 40 kilograms and a height of 150 centimeters.^[1]