June Margaret Middleton (4 May 1926 – 30 October 2009) was an Australian polio victim who spent more than 60 years living in an iron lung for treatment of the disease. In 2006, Guinness World Records recognised her as the person who had spent the longest amount of time living in an iron lung. Middleton lived at Fairfield Hospital in Melbourne for more than 40 years. She was then transferred to Austin Hospital before moving to her own home in Thornbury, which was managed by the Yooralla Ventilator Accommodation Support Service. She died in Thornbury on 29 October 2009, aged 83.