Margaret Elizabeth Austin, CNZM (born 1 April 1933) is a former New Zealand politician. She was born in Dunedin in 1933. She was Senior Mistress at Riccarton High School. She was then an MP from 1984 to 1996, representing first the Labour Party and then briefly United New Zealand. She was first elected to Parliament in the 1984 election as the MP for Yaldhurst, an electorate in western Christchurch.