Margaret Patricia Trotter, Lady Trotter (née Rainey; born 11 September 1931) is a retired philanthropist and community leader from New Zealand.
She attended Hastings High School and Woodford House.
[1] Trotter and her husband formed what became a part of the Fletcher Challenge Art Collection, which is now one of the largest curated private collections of New Zealand art.
[3] Trotter was a founding trustee and life member of the Wellington Sculpture Trust, an organisation which was established in 1983 to support innovative public art in the city.
[3] Trotter's other community roles included positions with United World College, the Salvation Army Advisory Board, the Board of Wanganui Collegiate School and Wellington Sea Rescue Service.